diff --git a/.gitignore b/.gitignore
index e811018..795debb 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,3 @@
 node_modules/
-tests/**/counts.json
+tests/**/response.json
 tests/**/.tokeignore
diff --git a/README.md b/README.md
index 12d69d5..4e92952 100644
--- a/README.md
+++ b/README.md
@@ -93,7 +93,7 @@ To count the lines of code of an arbitrary solution, do the following:
 1. Open a terminal in the project's root
 2. Run `./bin/run.sh <track-slug> <exercise-slug> <solution-dir> <output-dir>`
 
-Once the test runner has finished, its results will be written to `<output-dir>/counts.json`.
+Once the test runner has finished, its results will be written to `<output-dir>/response.json`.
 
 ## Run the Lines of Code Counter on a solution using Docker
 
@@ -104,7 +104,7 @@ To count the lines of code of an arbitrary solution using the Docker image, do t
 1. Open a terminal in the project's root
 2. Run `./bin/run-in-docker.sh <track-slug> <exercise-slug> <solution-dir> <output-dir>`
 
-Once the test runner has finished, its results will be written to `<output-dir>/counts.json`.
+Once the test runner has finished, its results will be written to `<output-dir>/response.json`.
 
 ## Run the tests
 
@@ -113,9 +113,9 @@ To run the tests to verify the behavior of the Lines of Code Counter, do the fol
 1. Open a terminal in the project's root
 2. Run `./bin/run-tests.sh`
 
-These are [golden tests][golden] that compare the `counts.json` generated by running the current state of the code against the "known good" `tests/<test-name>/counts.json`. All files created during the test run itself are discarded.
+These are [golden tests][golden] that compare the `response.json` generated by running the current state of the code against the "known good" `tests/<test-name>/response.json`. All files created during the test run itself are discarded.
 
-When you've made modifications to the code that will result in a new "golden" state, you'll need to generate and commit a new `tests/<test-name>/counts.json` file.
+When you've made modifications to the code that will result in a new "golden" state, you'll need to generate and commit a new `tests/<test-name>/response.json` file.
 
 ## Run the tests using Docker
 
@@ -126,9 +126,9 @@ To run the tests to verify the behavior of the test runner using the Docker imag
 1. Open a terminal in the project's root
 2. Run `./bin/run-tests-in-docker.sh`
 
-These are [golden tests][golden] that compare the `counts.json` generated by running the current state of the code against the "known good" `tests/<test-name>/counts.json`. All files created during the test run itself are discarded.
+These are [golden tests][golden] that compare the `response.json` generated by running the current state of the code against the "known good" `tests/<test-name>/response.json`. All files created during the test run itself are discarded.
 
-When you've made modifications to the code that will result in a new "golden" state, you'll need to generate and commit a new `tests/<test-name>/counts.json` file.
+When you've made modifications to the code that will result in a new "golden" state, you'll need to generate and commit a new `tests/<test-name>/response.json` file.
 
 ## Credit
 
diff --git a/bin/run-in-docker.sh b/bin/run-in-docker.sh
index 327f146..8ee0950 100755
--- a/bin/run-in-docker.sh
+++ b/bin/run-in-docker.sh
@@ -7,46 +7,40 @@
 # $1: track slug
 # $2: exercise slug
 # $3: path to solution folder
-# $4: path to output directory
 
 # Output:
-# Count the lines of code of the solution in the passed-in output directory.
+# Count the lines of code of the solution in the passed-in solution directory.
 
 # Example:
-# ./bin/run-in-docker.sh ruby two-fer path/to/solution/folder/ path/to/output/directory/
+# ./bin/run-in-docker.sh ruby two-fer path/to/solution/folder/
 
 # If any required arguments is missing, print the usage and exit
-if [[ $# -lt 4 ]]; then
-    echo "usage: ./bin/run-in-docker.sh track-slug exercise-slug path/to/solution/folder/ path/to/output/directory/"
+if [[ $# -lt 3 ]]; then
+    echo "usage: ./bin/run-in-docker.sh track-slug exercise-slug path/to/solution/folder/"
     exit 1
 fi
 
 track_slug="${1}"
 exercise_slug="${2}"
 solution_dir=$(realpath "${3%/}")
-output_dir=$(realpath "${4%/}")
-results_file="${output_dir}/counts.json"
+response_file="${solution_dir}/response.json"
 container_port=9876
 
-# Create the output directory if it doesn't exist
-mkdir -p "${output_dir}"
-
 # Build the Docker image
-docker build --progress=plain --rm -t exercism/lines-of-code-counter .
+docker build --rm -t exercism/lines-of-code-counter .
 
 # Run the Docker image using the settings mimicking the production environment
 container_id=$(docker run \
     --detach \
     --publish ${container_port}:8080 \
     --mount type=bind,src="${solution_dir}",dst=/solution \
-    --mount type=bind,src="${output_dir}",dst=/output \
     exercism/lines-of-code-counter)
 
 echo "${track_slug}/${exercise_slug}: counting lines of code..."
 
 # Call the function with the correct JSON event payload
-event_json=$(jq -n --arg t "${track_slug}" --arg e "${exercise_slug}" '{track: $t, exercise: $e, solution: "/solution", output: "/output"}')
-curl --silent --output /dev/null -XPOST http://localhost:${container_port}/2015-03-31/functions/function/invocations -d "${event_json}"
+event_json=$(jq -n --arg t "${track_slug}" --arg e "${exercise_slug}" '{track: $t, exercise: $e, solution: "/solution"}')
+curl --silent --output "${response_file}" -XPOST http://localhost:${container_port}/2015-03-31/functions/function/invocations -d "${event_json}"
 
 echo "${track_slug}/${exercise_slug}: done"
 
diff --git a/bin/run-tests-in-docker.sh b/bin/run-tests-in-docker.sh
index b6c4774..f30afaf 100755
--- a/bin/run-tests-in-docker.sh
+++ b/bin/run-tests-in-docker.sh
@@ -34,15 +34,19 @@ for test_dir in tests/${track_slug}/${exercise_slug}; do
     track_name=$(basename $(realpath "${test_dir}/../"))
     exercise_name=$(basename "${test_dir}")
     test_dir_path=$(realpath "${test_dir}")
-    counts_file_path="${test_dir_path}/counts.json"
-    expected_counts_file_path="${test_dir_path}/expected_counts.json"
+    response_file_path="${test_dir_path}/response.json"
+    expected_response_file_path="${test_dir_path}/expected_response.json"
 
-    rm -rf "${counts_file_path}"
+    rm -rf "${response_file_path}"
 
-    bin/run-in-docker.sh "${track_name}" "${exercise_name}" "${test_dir_path}" "${test_dir_path}"
+    bin/run-in-docker.sh "${track_name}" "${exercise_name}" "${test_dir_path}"
 
-    echo "${track_name}/${exercise_name}: comparing counts.json to expected_counts.json"
-    diff "${counts_file_path}" "${expected_counts_file_path}"
+    # Ensure there is a trailing newline in both files
+    sed -i -e '$a\' "${response_file_path}"
+    sed -i -e '$a\' "${expected_response_file_path}"
+
+    echo "${track_name}/${exercise_name}: comparing response.json to expected_response.json"
+    diff "${response_file_path}" "${expected_response_file_path}"
 
     if [ $? -ne 0 ]; then
         exit_code=1
diff --git a/bin/run-tests.sh b/bin/run-tests.sh
index 6d46daa..8a42a56 100755
--- a/bin/run-tests.sh
+++ b/bin/run-tests.sh
@@ -1,4 +1,4 @@
-#! /bin/sh
+#! /bin/bash
 
 # Synopsis:
 # Test the lines of code counter by running it against a predefined set of solutions 
@@ -33,15 +33,19 @@ for test_dir in tests/${track_slug}/${exercise_slug}; do
     track_name=$(basename $(realpath "${test_dir}/../"))
     exercise_name=$(basename "${test_dir}")
     test_dir_path=$(realpath "${test_dir}")
-    counts_file_path="${test_dir_path}/counts.json"
-    expected_counts_file_path="${test_dir_path}/expected_counts.json"
+    response_file_path="${test_dir_path}/response.json"
+    expected_response_file_path="${test_dir_path}/expected_response.json"
 
-    rm -rf "${counts_file_path}"
+    rm -rf "${response_file_path}"
 
-    bin/run.sh "${track_name}" "${exercise_name}" "${test_dir_path}" "${test_dir_path}"
+    bin/run.sh "${track_name}" "${exercise_name}" "${test_dir_path}"
 
-    echo "${track_name}/${exercise_name}: comparing counts.json to expected_counts.json"
-    diff "${counts_file_path}" "${expected_counts_file_path}"
+    # Ensure there is a trailing newline in both files
+    sed -i -e '$a\' "${response_file_path}"
+    sed -i -e '$a\' "${expected_response_file_path}"
+
+    echo "${track_name}/${exercise_name}: comparing response.json to expected_response.json"
+    diff "${response_file_path}" "${expected_response_file_path}"
 
     if [ $? -ne 0 ]; then
         exit_code=1
diff --git a/bin/run.rb b/bin/run.rb
index 03e97e6..33e9880 100755
--- a/bin/run.rb
+++ b/bin/run.rb
@@ -5,7 +5,8 @@
 event = {
   "track" => ARGV[0],
   "exercise" => ARGV[1],
-  "solution" => ARGV[2],
-  "output" => ARGV[3]
+  "solution" => ARGV[2]
 }
-LinesOfCodeCounter.process(event: event, context: {})
+
+response = LinesOfCodeCounter.process(event: event, context: {})
+puts response.to_json
diff --git a/bin/run.sh b/bin/run.sh
index a4740cd..f90c006 100755
--- a/bin/run.sh
+++ b/bin/run.sh
@@ -7,31 +7,27 @@
 # $1: track slug
 # $2: exercise slug
 # $3: path to solution folder
-# $4: path to output directory
 
 # Output:
-# Count the lines of code of the solution in the passed-in output directory.
+# Count the lines of code of the solution in the passed-in solution directory.
 
 # Example:
-# ./bin/run.sh ruby two-fer path/to/solution/folder/ path/to/output/directory/
+# ./bin/run.sh ruby two-fer path/to/solution/folder/
 
 # If any required arguments is missing, print the usage and exit
-if [[ $# -lt 4 ]]; then
-    echo "usage: ./bin/run.sh track-slug exercise-slug path/to/solution/folder/ path/to/output/directory/"
+if [[ $# -lt 3 ]]; then
+    echo "usage: ./bin/run.sh track-slug exercise-slug path/to/solution/folder/"
     exit 1
 fi
 
 track_slug="${1}"
 exercise_slug="${2}"
 solution_dir=$(realpath "${3%/}")
-output_dir=$(realpath "${4%/}")
-
-# Create the output directory if it doesn't exist
-mkdir -p "${output_dir}"
+response_file="${solution_dir}/response.json"
 
 echo "${track_slug}/${exercise_slug}: counting lines of code..."
 
 # Call the function with the correct JSON event payload
-ruby "./bin/run.rb" "${track_slug}" "${exercise_slug}" "${solution_dir}" "${output_dir}"
+ruby "./bin/run.rb" "${track_slug}" "${exercise_slug}" "${solution_dir}" > "${response_file}"
 
 echo "${track_slug}/${exercise_slug}: done"
diff --git a/lib/lines_of_code_counter/count_lines_of_code.rb b/lib/lines_of_code_counter/count_lines_of_code.rb
index b4e163f..33a1396 100644
--- a/lib/lines_of_code_counter/count_lines_of_code.rb
+++ b/lib/lines_of_code_counter/count_lines_of_code.rb
@@ -4,12 +4,15 @@ class CountLinesOfCode
   initialize_with :exercise
 
   def call
+    File.write(ignore_file.filepath, ignore_file.content)
     {
       code: code,
       blanks: blanks,
       comments: comments,
       files: files
     }
+  ensure
+    FileUtils.rm(ignore_file.filepath)
   end
 
   private
@@ -37,4 +40,9 @@ def files
       sort.
       to_a
   end
+
+  memoize
+  def ignore_file
+    IgnoreFile.new(exercise)
+  end
 end
diff --git a/lib/lines_of_code_counter/exercise.rb b/lib/lines_of_code_counter/exercise.rb
index cadf8ca..e2ee54c 100644
--- a/lib/lines_of_code_counter/exercise.rb
+++ b/lib/lines_of_code_counter/exercise.rb
@@ -1,9 +1,10 @@
 class Exercise
   include Mandate
 
-  attr_reader :dir
+  attr_reader :track, :dir
 
-  def initialize(dir)
+  def initialize(track, dir)
+    @track = track
     @dir = dir
   end
 
diff --git a/lib/lines_of_code_counter/ignore_file.rb b/lib/lines_of_code_counter/ignore_file.rb
index 6df4b0d..0c990ec 100644
--- a/lib/lines_of_code_counter/ignore_file.rb
+++ b/lib/lines_of_code_counter/ignore_file.rb
@@ -1,7 +1,7 @@
 class IgnoreFile
   include Mandate
 
-  initialize_with :track, :exercise
+  initialize_with :exercise
 
   def filepath
     File.join(exercise.dir, ".tokeignore")
@@ -24,8 +24,7 @@ def track_specific_rules
       *exercise.example_files,
       *exercise.exemplar_files,
       *exercise.editor_files,
-      "counts.json",
-      "expected_counts.json"
+      *test_file_rules
     ]    
   end
 
@@ -36,8 +35,15 @@ def default_rules
     ]    
   end
 
+  def test_file_rules
+    [
+      "response.json",
+      "expected_response.json"
+    ]    
+  end
+
   private
   def track_ignore_filepath
-    "tracks/#{track}.ignore"
+    "tracks/#{exercise.track}.ignore"
   end  
 end
diff --git a/lib/lines_of_code_counter/process_request.rb b/lib/lines_of_code_counter/process_request.rb
index 9fff4c4..21adf7c 100644
--- a/lib/lines_of_code_counter/process_request.rb
+++ b/lib/lines_of_code_counter/process_request.rb
@@ -3,37 +3,22 @@ class ProcessRequest
 
   initialize_with :event, :content
 
-  def call
-    File.write(ignore_file.filepath, ignore_file.content)
+  def call    
     counts = CountLinesOfCode.(exercise)
-    File.write(counts_filepath, counts.to_json)
-    # FileUtils.rm(ignore_file.filepath)
+    counts_json = counts.to_json
+
+    {
+      statusCode: 200,
+      headers: {
+        'Content-Length': counts_json.bytesize,
+        'Content-Type': 'application/json; charset=utf-8'
+      },
+      isBase64Encoded: false,
+      body: counts_json
+    }  
   end
 
-  private
-  def track
-    event["track"]
-  end
-
-  def solution_dir
-    event["solution"]
-  end
-
-  def output_dir
-    event["output"]
-  end
-
-  def counts_filepath
-    File.join(output_dir, "counts.json")
-  end
-
-  memoize
   def exercise
-    Exercise.new(solution_dir)
-  end
-
-  memoize
-  def ignore_file
-    IgnoreFile.new(track, exercise)
+    Exercise.new(event["track"], event["solution"])
   end
 end
diff --git a/tests/csharp/example-not-in-hidden-directory/expected_counts.json b/tests/csharp/example-not-in-hidden-directory/expected_counts.json
deleted file mode 100644
index bd02ddf..0000000
--- a/tests/csharp/example-not-in-hidden-directory/expected_counts.json
+++ /dev/null
@@ -1 +0,0 @@
-{"code":27,"blanks":3,"comments":0,"files":["Bob.cs"]}
\ No newline at end of file
diff --git a/tests/csharp/example-not-in-hidden-directory/expected_response.json b/tests/csharp/example-not-in-hidden-directory/expected_response.json
new file mode 100644
index 0000000..a00ba33
--- /dev/null
+++ b/tests/csharp/example-not-in-hidden-directory/expected_response.json
@@ -0,0 +1 @@
+{"statusCode":200,"headers":{"Content-Length":54,"Content-Type":"application/json; charset=utf-8"},"isBase64Encoded":false,"body":"{\"code\":27,\"blanks\":3,\"comments\":0,\"files\":[\"Bob.cs\"]}"}
diff --git a/tests/csharp/multiple-additional-files/expected_counts.json b/tests/csharp/multiple-additional-files/expected_counts.json
deleted file mode 100644
index dde3f58..0000000
--- a/tests/csharp/multiple-additional-files/expected_counts.json
+++ /dev/null
@@ -1 +0,0 @@
-{"code":45,"blanks":4,"comments":0,"files":["AnotherHelper.cs","Bob.cs","Helper.cs"]}
\ No newline at end of file
diff --git a/tests/csharp/multiple-additional-files/expected_response.json b/tests/csharp/multiple-additional-files/expected_response.json
new file mode 100644
index 0000000..b83e961
--- /dev/null
+++ b/tests/csharp/multiple-additional-files/expected_response.json
@@ -0,0 +1 @@
+{"statusCode":200,"headers":{"Content-Length":85,"Content-Type":"application/json; charset=utf-8"},"isBase64Encoded":false,"body":"{\"code\":45,\"blanks\":4,\"comments\":0,\"files\":[\"AnotherHelper.cs\",\"Bob.cs\",\"Helper.cs\"]}"}
diff --git a/tests/csharp/multiple-editor-files/expected_counts.json b/tests/csharp/multiple-editor-files/expected_counts.json
deleted file mode 100644
index bd02ddf..0000000
--- a/tests/csharp/multiple-editor-files/expected_counts.json
+++ /dev/null
@@ -1 +0,0 @@
-{"code":27,"blanks":3,"comments":0,"files":["Bob.cs"]}
\ No newline at end of file
diff --git a/tests/csharp/multiple-editor-files/expected_response.json b/tests/csharp/multiple-editor-files/expected_response.json
new file mode 100644
index 0000000..a00ba33
--- /dev/null
+++ b/tests/csharp/multiple-editor-files/expected_response.json
@@ -0,0 +1 @@
+{"statusCode":200,"headers":{"Content-Length":54,"Content-Type":"application/json; charset=utf-8"},"isBase64Encoded":false,"body":"{\"code\":27,\"blanks\":3,\"comments\":0,\"files\":[\"Bob.cs\"]}"}
diff --git a/tests/csharp/multiple-solution-files/expected_counts.json b/tests/csharp/multiple-solution-files/expected_counts.json
deleted file mode 100644
index c5e491a..0000000
--- a/tests/csharp/multiple-solution-files/expected_counts.json
+++ /dev/null
@@ -1 +0,0 @@
-{"code":34,"blanks":3,"comments":0,"files":["Bob.cs","Bobby.cs"]}
\ No newline at end of file
diff --git a/tests/csharp/multiple-solution-files/expected_response.json b/tests/csharp/multiple-solution-files/expected_response.json
new file mode 100644
index 0000000..dd64cef
--- /dev/null
+++ b/tests/csharp/multiple-solution-files/expected_response.json
@@ -0,0 +1 @@
+{"statusCode":200,"headers":{"Content-Length":65,"Content-Type":"application/json; charset=utf-8"},"isBase64Encoded":false,"body":"{\"code\":34,\"blanks\":3,\"comments\":0,\"files\":[\"Bob.cs\",\"Bobby.cs\"]}"}
diff --git a/tests/csharp/old-test-file-name/expected_counts.json b/tests/csharp/old-test-file-name/expected_counts.json
deleted file mode 100644
index bd02ddf..0000000
--- a/tests/csharp/old-test-file-name/expected_counts.json
+++ /dev/null
@@ -1 +0,0 @@
-{"code":27,"blanks":3,"comments":0,"files":["Bob.cs"]}
\ No newline at end of file
diff --git a/tests/csharp/old-test-file-name/expected_response.json b/tests/csharp/old-test-file-name/expected_response.json
new file mode 100644
index 0000000..a00ba33
--- /dev/null
+++ b/tests/csharp/old-test-file-name/expected_response.json
@@ -0,0 +1 @@
+{"statusCode":200,"headers":{"Content-Length":54,"Content-Type":"application/json; charset=utf-8"},"isBase64Encoded":false,"body":"{\"code\":27,\"blanks\":3,\"comments\":0,\"files\":[\"Bob.cs\"]}"}
diff --git a/tests/csharp/single-additional-file/expected_counts.json b/tests/csharp/single-additional-file/expected_counts.json
deleted file mode 100644
index ada513f..0000000
--- a/tests/csharp/single-additional-file/expected_counts.json
+++ /dev/null
@@ -1 +0,0 @@
-{"code":42,"blanks":5,"comments":0,"files":["Bob.cs","Helper.cs"]}
\ No newline at end of file
diff --git a/tests/csharp/single-additional-file/expected_response.json b/tests/csharp/single-additional-file/expected_response.json
new file mode 100644
index 0000000..3976c13
--- /dev/null
+++ b/tests/csharp/single-additional-file/expected_response.json
@@ -0,0 +1 @@
+{"statusCode":200,"headers":{"Content-Length":66,"Content-Type":"application/json; charset=utf-8"},"isBase64Encoded":false,"body":"{\"code\":42,\"blanks\":5,\"comments\":0,\"files\":[\"Bob.cs\",\"Helper.cs\"]}"}
diff --git a/tests/csharp/single-editor-file/expected_counts.json b/tests/csharp/single-editor-file/expected_counts.json
deleted file mode 100644
index bd02ddf..0000000
--- a/tests/csharp/single-editor-file/expected_counts.json
+++ /dev/null
@@ -1 +0,0 @@
-{"code":27,"blanks":3,"comments":0,"files":["Bob.cs"]}
\ No newline at end of file
diff --git a/tests/csharp/single-editor-file/expected_response.json b/tests/csharp/single-editor-file/expected_response.json
new file mode 100644
index 0000000..a00ba33
--- /dev/null
+++ b/tests/csharp/single-editor-file/expected_response.json
@@ -0,0 +1 @@
+{"statusCode":200,"headers":{"Content-Length":54,"Content-Type":"application/json; charset=utf-8"},"isBase64Encoded":false,"body":"{\"code\":27,\"blanks\":3,\"comments\":0,\"files\":[\"Bob.cs\"]}"}
diff --git a/tests/csharp/single-solution-file/expected_counts.json b/tests/csharp/single-solution-file/expected_counts.json
deleted file mode 100644
index bd02ddf..0000000
--- a/tests/csharp/single-solution-file/expected_counts.json
+++ /dev/null
@@ -1 +0,0 @@
-{"code":27,"blanks":3,"comments":0,"files":["Bob.cs"]}
\ No newline at end of file
diff --git a/tests/csharp/single-solution-file/expected_response.json b/tests/csharp/single-solution-file/expected_response.json
new file mode 100644
index 0000000..a00ba33
--- /dev/null
+++ b/tests/csharp/single-solution-file/expected_response.json
@@ -0,0 +1 @@
+{"statusCode":200,"headers":{"Content-Length":54,"Content-Type":"application/json; charset=utf-8"},"isBase64Encoded":false,"body":"{\"code\":27,\"blanks\":3,\"comments\":0,\"files\":[\"Bob.cs\"]}"}
diff --git a/tests/fsharp/example-not-in-hidden-directory/expected_counts.json b/tests/fsharp/example-not-in-hidden-directory/expected_counts.json
deleted file mode 100644
index 8d87383..0000000
--- a/tests/fsharp/example-not-in-hidden-directory/expected_counts.json
+++ /dev/null
@@ -1 +0,0 @@
-{"code":8,"blanks":4,"comments":0,"files":["Anagram.fs"]}
\ No newline at end of file
diff --git a/tests/fsharp/example-not-in-hidden-directory/expected_response.json b/tests/fsharp/example-not-in-hidden-directory/expected_response.json
new file mode 100644
index 0000000..582f210
--- /dev/null
+++ b/tests/fsharp/example-not-in-hidden-directory/expected_response.json
@@ -0,0 +1 @@
+{"statusCode":200,"headers":{"Content-Length":57,"Content-Type":"application/json; charset=utf-8"},"isBase64Encoded":false,"body":"{\"code\":8,\"blanks\":4,\"comments\":0,\"files\":[\"Anagram.fs\"]}"}
diff --git a/tests/fsharp/multiple-additional-files/expected_counts.json b/tests/fsharp/multiple-additional-files/expected_counts.json
deleted file mode 100644
index 6b49ff1..0000000
--- a/tests/fsharp/multiple-additional-files/expected_counts.json
+++ /dev/null
@@ -1 +0,0 @@
-{"code":15,"blanks":8,"comments":0,"files":["Anagram.fs","Custom.fs","MoreCustom.fs"]}
\ No newline at end of file
diff --git a/tests/fsharp/multiple-additional-files/expected_response.json b/tests/fsharp/multiple-additional-files/expected_response.json
new file mode 100644
index 0000000..7c2084f
--- /dev/null
+++ b/tests/fsharp/multiple-additional-files/expected_response.json
@@ -0,0 +1 @@
+{"statusCode":200,"headers":{"Content-Length":86,"Content-Type":"application/json; charset=utf-8"},"isBase64Encoded":false,"body":"{\"code\":15,\"blanks\":8,\"comments\":0,\"files\":[\"Anagram.fs\",\"Custom.fs\",\"MoreCustom.fs\"]}"}
diff --git a/tests/fsharp/multiple-editor-files/expected_counts.json b/tests/fsharp/multiple-editor-files/expected_counts.json
deleted file mode 100644
index 8d87383..0000000
--- a/tests/fsharp/multiple-editor-files/expected_counts.json
+++ /dev/null
@@ -1 +0,0 @@
-{"code":8,"blanks":4,"comments":0,"files":["Anagram.fs"]}
\ No newline at end of file
diff --git a/tests/fsharp/multiple-editor-files/expected_response.json b/tests/fsharp/multiple-editor-files/expected_response.json
new file mode 100644
index 0000000..582f210
--- /dev/null
+++ b/tests/fsharp/multiple-editor-files/expected_response.json
@@ -0,0 +1 @@
+{"statusCode":200,"headers":{"Content-Length":57,"Content-Type":"application/json; charset=utf-8"},"isBase64Encoded":false,"body":"{\"code\":8,\"blanks\":4,\"comments\":0,\"files\":[\"Anagram.fs\"]}"}
diff --git a/tests/fsharp/multiple-solution-files/expected_counts.json b/tests/fsharp/multiple-solution-files/expected_counts.json
deleted file mode 100644
index 71c412e..0000000
--- a/tests/fsharp/multiple-solution-files/expected_counts.json
+++ /dev/null
@@ -1 +0,0 @@
-{"code":13,"blanks":5,"comments":0,"files":["Anagram.fs","Helper.fs"]}
\ No newline at end of file
diff --git a/tests/fsharp/multiple-solution-files/expected_response.json b/tests/fsharp/multiple-solution-files/expected_response.json
new file mode 100644
index 0000000..90193cd
--- /dev/null
+++ b/tests/fsharp/multiple-solution-files/expected_response.json
@@ -0,0 +1 @@
+{"statusCode":200,"headers":{"Content-Length":70,"Content-Type":"application/json; charset=utf-8"},"isBase64Encoded":false,"body":"{\"code\":13,\"blanks\":5,\"comments\":0,\"files\":[\"Anagram.fs\",\"Helper.fs\"]}"}
diff --git a/tests/fsharp/old-test-name/expected_counts.json b/tests/fsharp/old-test-name/expected_counts.json
deleted file mode 100644
index 8d87383..0000000
--- a/tests/fsharp/old-test-name/expected_counts.json
+++ /dev/null
@@ -1 +0,0 @@
-{"code":8,"blanks":4,"comments":0,"files":["Anagram.fs"]}
\ No newline at end of file
diff --git a/tests/fsharp/old-test-name/expected_response.json b/tests/fsharp/old-test-name/expected_response.json
new file mode 100644
index 0000000..582f210
--- /dev/null
+++ b/tests/fsharp/old-test-name/expected_response.json
@@ -0,0 +1 @@
+{"statusCode":200,"headers":{"Content-Length":57,"Content-Type":"application/json; charset=utf-8"},"isBase64Encoded":false,"body":"{\"code\":8,\"blanks\":4,\"comments\":0,\"files\":[\"Anagram.fs\"]}"}
diff --git a/tests/fsharp/single-additional-file/expected_counts.json b/tests/fsharp/single-additional-file/expected_counts.json
deleted file mode 100644
index f6cb7f6..0000000
--- a/tests/fsharp/single-additional-file/expected_counts.json
+++ /dev/null
@@ -1 +0,0 @@
-{"code":11,"blanks":6,"comments":0,"files":["Anagram.fs","Custom.fs"]}
\ No newline at end of file
diff --git a/tests/fsharp/single-additional-file/expected_response.json b/tests/fsharp/single-additional-file/expected_response.json
new file mode 100644
index 0000000..5998a33
--- /dev/null
+++ b/tests/fsharp/single-additional-file/expected_response.json
@@ -0,0 +1 @@
+{"statusCode":200,"headers":{"Content-Length":70,"Content-Type":"application/json; charset=utf-8"},"isBase64Encoded":false,"body":"{\"code\":11,\"blanks\":6,\"comments\":0,\"files\":[\"Anagram.fs\",\"Custom.fs\"]}"}
diff --git a/tests/fsharp/single-editor-file/expected_counts.json b/tests/fsharp/single-editor-file/expected_counts.json
deleted file mode 100644
index 8d87383..0000000
--- a/tests/fsharp/single-editor-file/expected_counts.json
+++ /dev/null
@@ -1 +0,0 @@
-{"code":8,"blanks":4,"comments":0,"files":["Anagram.fs"]}
\ No newline at end of file
diff --git a/tests/fsharp/single-editor-file/expected_response.json b/tests/fsharp/single-editor-file/expected_response.json
new file mode 100644
index 0000000..582f210
--- /dev/null
+++ b/tests/fsharp/single-editor-file/expected_response.json
@@ -0,0 +1 @@
+{"statusCode":200,"headers":{"Content-Length":57,"Content-Type":"application/json; charset=utf-8"},"isBase64Encoded":false,"body":"{\"code\":8,\"blanks\":4,\"comments\":0,\"files\":[\"Anagram.fs\"]}"}
diff --git a/tests/fsharp/single-solution-file/expected_counts.json b/tests/fsharp/single-solution-file/expected_counts.json
deleted file mode 100644
index 8d87383..0000000
--- a/tests/fsharp/single-solution-file/expected_counts.json
+++ /dev/null
@@ -1 +0,0 @@
-{"code":8,"blanks":4,"comments":0,"files":["Anagram.fs"]}
\ No newline at end of file
diff --git a/tests/fsharp/single-solution-file/expected_response.json b/tests/fsharp/single-solution-file/expected_response.json
new file mode 100644
index 0000000..582f210
--- /dev/null
+++ b/tests/fsharp/single-solution-file/expected_response.json
@@ -0,0 +1 @@
+{"statusCode":200,"headers":{"Content-Length":57,"Content-Type":"application/json; charset=utf-8"},"isBase64Encoded":false,"body":"{\"code\":8,\"blanks\":4,\"comments\":0,\"files\":[\"Anagram.fs\"]}"}
diff --git a/tests/track-without-config/example-not-in-hidden-directory/expected_counts.json b/tests/track-without-config/example-not-in-hidden-directory/expected_counts.json
deleted file mode 100644
index 702283e..0000000
--- a/tests/track-without-config/example-not-in-hidden-directory/expected_counts.json
+++ /dev/null
@@ -1 +0,0 @@
-{"code":4,"blanks":0,"comments":0,"files":["leap.pony"]}
\ No newline at end of file
diff --git a/tests/track-without-config/example-not-in-hidden-directory/expected_response.json b/tests/track-without-config/example-not-in-hidden-directory/expected_response.json
new file mode 100644
index 0000000..70d3a9a
--- /dev/null
+++ b/tests/track-without-config/example-not-in-hidden-directory/expected_response.json
@@ -0,0 +1 @@
+{"statusCode":200,"headers":{"Content-Length":56,"Content-Type":"application/json; charset=utf-8"},"isBase64Encoded":false,"body":"{\"code\":4,\"blanks\":0,\"comments\":0,\"files\":[\"leap.pony\"]}"}
diff --git a/tests/track-without-config/multiple-additional-files/expected_counts.json b/tests/track-without-config/multiple-additional-files/expected_counts.json
deleted file mode 100644
index 702283e..0000000
--- a/tests/track-without-config/multiple-additional-files/expected_counts.json
+++ /dev/null
@@ -1 +0,0 @@
-{"code":4,"blanks":0,"comments":0,"files":["leap.pony"]}
\ No newline at end of file
diff --git a/tests/track-without-config/multiple-additional-files/expected_response.json b/tests/track-without-config/multiple-additional-files/expected_response.json
new file mode 100644
index 0000000..70d3a9a
--- /dev/null
+++ b/tests/track-without-config/multiple-additional-files/expected_response.json
@@ -0,0 +1 @@
+{"statusCode":200,"headers":{"Content-Length":56,"Content-Type":"application/json; charset=utf-8"},"isBase64Encoded":false,"body":"{\"code\":4,\"blanks\":0,\"comments\":0,\"files\":[\"leap.pony\"]}"}
diff --git a/tests/track-without-config/multiple-editor-files/expected_counts.json b/tests/track-without-config/multiple-editor-files/expected_counts.json
deleted file mode 100644
index 702283e..0000000
--- a/tests/track-without-config/multiple-editor-files/expected_counts.json
+++ /dev/null
@@ -1 +0,0 @@
-{"code":4,"blanks":0,"comments":0,"files":["leap.pony"]}
\ No newline at end of file
diff --git a/tests/track-without-config/multiple-editor-files/expected_response.json b/tests/track-without-config/multiple-editor-files/expected_response.json
new file mode 100644
index 0000000..70d3a9a
--- /dev/null
+++ b/tests/track-without-config/multiple-editor-files/expected_response.json
@@ -0,0 +1 @@
+{"statusCode":200,"headers":{"Content-Length":56,"Content-Type":"application/json; charset=utf-8"},"isBase64Encoded":false,"body":"{\"code\":4,\"blanks\":0,\"comments\":0,\"files\":[\"leap.pony\"]}"}
diff --git a/tests/track-without-config/multiple-solution-files/expected_counts.json b/tests/track-without-config/multiple-solution-files/expected_counts.json
deleted file mode 100644
index 9f43a5e..0000000
--- a/tests/track-without-config/multiple-solution-files/expected_counts.json
+++ /dev/null
@@ -1 +0,0 @@
-{"code":7,"blanks":0,"comments":0,"files":["leap.pony","math.pony"]}
\ No newline at end of file
diff --git a/tests/track-without-config/multiple-solution-files/expected_response.json b/tests/track-without-config/multiple-solution-files/expected_response.json
new file mode 100644
index 0000000..a5d9d82
--- /dev/null
+++ b/tests/track-without-config/multiple-solution-files/expected_response.json
@@ -0,0 +1 @@
+{"statusCode":200,"headers":{"Content-Length":68,"Content-Type":"application/json; charset=utf-8"},"isBase64Encoded":false,"body":"{\"code\":7,\"blanks\":0,\"comments\":0,\"files\":[\"leap.pony\",\"math.pony\"]}"}
diff --git a/tests/track-without-config/single-additional-file/expected_counts.json b/tests/track-without-config/single-additional-file/expected_counts.json
deleted file mode 100644
index 702283e..0000000
--- a/tests/track-without-config/single-additional-file/expected_counts.json
+++ /dev/null
@@ -1 +0,0 @@
-{"code":4,"blanks":0,"comments":0,"files":["leap.pony"]}
\ No newline at end of file
diff --git a/tests/track-without-config/single-additional-file/expected_response.json b/tests/track-without-config/single-additional-file/expected_response.json
new file mode 100644
index 0000000..70d3a9a
--- /dev/null
+++ b/tests/track-without-config/single-additional-file/expected_response.json
@@ -0,0 +1 @@
+{"statusCode":200,"headers":{"Content-Length":56,"Content-Type":"application/json; charset=utf-8"},"isBase64Encoded":false,"body":"{\"code\":4,\"blanks\":0,\"comments\":0,\"files\":[\"leap.pony\"]}"}
diff --git a/tests/track-without-config/single-editor-file/expected_counts.json b/tests/track-without-config/single-editor-file/expected_counts.json
deleted file mode 100644
index 702283e..0000000
--- a/tests/track-without-config/single-editor-file/expected_counts.json
+++ /dev/null
@@ -1 +0,0 @@
-{"code":4,"blanks":0,"comments":0,"files":["leap.pony"]}
\ No newline at end of file
diff --git a/tests/track-without-config/single-editor-file/expected_response.json b/tests/track-without-config/single-editor-file/expected_response.json
new file mode 100644
index 0000000..70d3a9a
--- /dev/null
+++ b/tests/track-without-config/single-editor-file/expected_response.json
@@ -0,0 +1 @@
+{"statusCode":200,"headers":{"Content-Length":56,"Content-Type":"application/json; charset=utf-8"},"isBase64Encoded":false,"body":"{\"code\":4,\"blanks\":0,\"comments\":0,\"files\":[\"leap.pony\"]}"}
diff --git a/tests/track-without-config/single-solution-file/expected_counts.json b/tests/track-without-config/single-solution-file/expected_counts.json
deleted file mode 100644
index 702283e..0000000
--- a/tests/track-without-config/single-solution-file/expected_counts.json
+++ /dev/null
@@ -1 +0,0 @@
-{"code":4,"blanks":0,"comments":0,"files":["leap.pony"]}
\ No newline at end of file
diff --git a/tests/track-without-config/single-solution-file/expected_response.json b/tests/track-without-config/single-solution-file/expected_response.json
new file mode 100644
index 0000000..70d3a9a
--- /dev/null
+++ b/tests/track-without-config/single-solution-file/expected_response.json
@@ -0,0 +1 @@
+{"statusCode":200,"headers":{"Content-Length":56,"Content-Type":"application/json; charset=utf-8"},"isBase64Encoded":false,"body":"{\"code\":4,\"blanks\":0,\"comments\":0,\"files\":[\"leap.pony\"]}"}