diff --git a/gmod-addon/lua/sh_jestronaut_gmod_reporter.lua b/gmod-addon/lua/sh_jestronaut_gmod_reporter.lua
index 88aed15..4cc45d6 100644
--- a/gmod-addon/lua/sh_jestronaut_gmod_reporter.lua
+++ b/gmod-addon/lua/sh_jestronaut_gmod_reporter.lua
@@ -96,7 +96,7 @@ end
 
 --- Prints the name of the test.
 --- @param describeOrTest DescribeOrTest
-function REPORTER:testStarting(describeOrTest)
+function REPORTER:onTestStarting(describeOrTest)
     -- Override print so there's no interference with the test output.
     print = function() end -- TODO: Store the print and output it at the end of the test.
 
@@ -115,7 +115,7 @@ end
 --- Prints the result of the test.
 --- @param describeOrTest DescribeOrTest
 --- @param success boolean
-function REPORTER:testFinished(describeOrTest, success)
+function REPORTER:onTestFinished(describeOrTest, success)
     print = originalPrint
 
     local file = self:getFileByPath(describeOrTest.filePath)
@@ -147,7 +147,7 @@ end
 
 --- Prints the skip message of the test.
 --- @param describeOrTest DescribeOrTest
-function REPORTER:testSkipped(describeOrTest)
+function REPORTER:onTestSkipped(describeOrTest)
     local file = self:getFileByPath(describeOrTest.filePath)
 
     if file then
@@ -163,7 +163,7 @@ end
 --- Prints the retry message of the test.
 --- @param describeOrTest DescribeOrTest
 --- @param retryCount number
-function REPORTER:testRetrying(describeOrTest, retryCount)
+function REPORTER:onTestRetrying(describeOrTest, retryCount)
     self:redrawSummary(self.isVerbose)
 end
 
@@ -198,8 +198,9 @@ end
 --- Stores the tests that will be run and prints the summary with header.
 --- @param rootDescribe Describe
 --- @param describesByFilePath table
-function REPORTER:startTestSet(rootDescribe, describesByFilePath)
-    local totalTestCount = rootDescribe.childCount + rootDescribe.grandChildrenCount
+--- @param skippedTestCount number
+function REPORTER:onStartTestSet(rootDescribe, describesByFilePath, skippedTestCount)
+    local totalTestCount = rootDescribe.childTestCount + rootDescribe.grandChildrenTestCount + skippedTestCount
 
     self.summaryHeader = styledText.new(nil, STYLING_DISABLED)
         :plain("🚀 Starting ")
@@ -214,12 +215,13 @@ function REPORTER:startTestSet(rootDescribe, describesByFilePath)
 end
 
 --- Prints the success message of the test.
---- @param rootDescribe Describe
+--- @param processedTests DescribeOrTest[]
+--- @param passedTestCount number
 --- @param failedTestCount number
 --- @param skippedTestCount number
---- @param duration number
-function REPORTER:printEnd(rootDescribe, failedTestCount, skippedTestCount, duration)
-    local totalTestCount = rootDescribe.childCount + rootDescribe.grandChildrenCount
+--- @param testDuration number
+function REPORTER:onEndTestSet(processedTests, passedTestCount, failedTestCount, skippedTestCount, testDuration)
+    local totalTestCount = passedTestCount + failedTestCount + skippedTestCount
     local notRunCount = failedTestCount + skippedTestCount
     local relativeSuccess = 1 - (notRunCount / totalTestCount)
 
@@ -259,7 +261,7 @@ function REPORTER:printEnd(rootDescribe, failedTestCount, skippedTestCount, dura
 
     originalPrint(
         styledText.new(nil, STYLING_DISABLED)
-        :plain("Time:        " .. duration .. "s")
+        :plain("Time:        " .. testDuration .. "s")
     )
 
     self:printNewline()
diff --git a/libs/jestronaut/environment/runner.lua b/libs/jestronaut/environment/runner.lua
index 3d8c920..36f92a4 100644
--- a/libs/jestronaut/environment/runner.lua
+++ b/libs/jestronaut/environment/runner.lua
@@ -20,6 +20,7 @@ local function newTestRunner(runnerOptions)
 
     self.timeout = 5
     self.isCompleted = false
+    self.isStarted = false
 
     self.preTestCallback = nil
     self.modifyTestResultCallback = nil
@@ -74,6 +75,7 @@ end
 
 function TEST_RUNNER:reset()
     self.isCompleted = false
+    self.isStarted = false
 
 	for _, test in ipairs(self.processedTests) do
 		test.status = "starting"
@@ -86,20 +88,17 @@ function TEST_RUNNER:reset()
     self.processedTests = {}
 end
 
-function TEST_RUNNER:markFinished(test, status, err)
-    test.status = status
-    test.error = err
+function TEST_RUNNER:markFinished(queuedTest, status, err)
+    queuedTest.status = status
+    queuedTest.error = err
 
-    -- TODO: Use reporter instead
-    if status == "passed" then
-        print(string.format("✅ PASSED %s", test.name))
-    elseif status == "skipped" then
-        print(string.format("⏭️  SKIPPED %s", test.name))
+    table.insert(self.processedTests, queuedTest)
+
+    if (status == nil) then
+        self.reporter:onTestSkipped(queuedTest.test)
     else
-        print(string.format("❌ FAILED %s - %s", test.name, test.error or "Unknown error"))
+        self.reporter:onTestFinished(queuedTest.test, status, err)
     end
-
-    table.insert(self.processedTests, test)
 end
 
 function TEST_RUNNER:runTest(queuedTest)
@@ -130,15 +129,17 @@ function TEST_RUNNER:runTest(queuedTest)
     end
 
     -- TODO: Should this also run here for async tests? Even though those may not have finished yet?
-    if self.postTestCallback then
-        self.postTestCallback(queuedTest.test, queuedTest.status == "passed")
+    if self.postTestCallback and queuedTest.status ~= nil then
+        self.postTestCallback(queuedTest.test, queuedTest.status == true)
     end
 
     return status, errorMessage
 end
 
-function TEST_RUNNER:statusToPassFailText(status)
-    return status and "passed" or "failed"
+function TEST_RUNNER:start(rootDescribe, describesByFilePath, skippedTestCount)
+    self.isStarted = true
+    self.startTime = os.time()
+    self.reporter:onStartTestSet(rootDescribe, describesByFilePath, skippedTestCount)
 end
 
 function TEST_RUNNER:tick()
@@ -146,6 +147,10 @@ function TEST_RUNNER:tick()
         return false
 	end
 
+    if not self.isStarted then
+        error("Test runner not started! Did you forget to call `:start()`?")
+    end
+
     local remainingTests = {}
 
     -- Process queued tests
@@ -156,7 +161,7 @@ function TEST_RUNNER:tick()
             -- Run sync tests immediately
             local success, errorMessage = self:runTest(queuedTest)
 
-            self:markFinished(queuedTest, self:statusToPassFailText(success), errorMessage)
+            self:markFinished(queuedTest, success, errorMessage)
         elseif queuedTest.type == "async" then
             -- Start async test if not started
             if queuedTest.status == "starting" then
@@ -167,7 +172,7 @@ function TEST_RUNNER:tick()
 
                 -- Failed even while starting the test
                 if not success then
-					self:markFinished(queuedTest, self:statusToPassFailText(success), errorMessage)
+					self:markFinished(queuedTest, success, errorMessage)
                 else
                     -- Test started, might need further processing
                     queuedTest.result = queuedTest
@@ -187,7 +192,7 @@ function TEST_RUNNER:tick()
                         status, errorMessage = self.modifyTestResultCallback(queuedTest.test, status, errorMessage)
                     end
 
-					self:markFinished(queuedTest, status and "passed" or "failed", errorMessage)
+					self:markFinished(queuedTest, status, errorMessage)
                 elseif (queuedTest.asyncWrapper.isDone) then
                     local errorMessage = queuedTest.asyncWrapper.errorMessage
                     local success = not errorMessage
@@ -196,7 +201,7 @@ function TEST_RUNNER:tick()
                         success, errorMessage = self.modifyTestResultCallback(queuedTest.test, success, errorMessage)
                     end
 
-                    self:markFinished(queuedTest, self:statusToPassFailText(success), errorMessage)
+                    self:markFinished(queuedTest, success, errorMessage)
                 else
                     -- Test still in progress
                     table.insert(remainingTests, queuedTest)
@@ -221,32 +226,30 @@ function TEST_RUNNER:finalize()
         return
     end
 
-	self:printResults()
-	self.isCompleted = true
-end
+    local testDuration = os.time() - self.startTime
+
+    self.isCompleted = true
+    self.isStarted = false
 
-function TEST_RUNNER:printResults()
-    print("\n================================")
-    print("Test Results:")
+	self:printResults(testDuration)
+end
 
+function TEST_RUNNER:printResults(testDuration)
     local passed = 0
     local failed = 0
     local skipped = 0
 
     for _, test in ipairs(self.processedTests) do
-        if test.status == "passed" then
+        if test.status == true then
             passed = passed + 1
-        elseif test.status == "skipped" then
+        elseif test.status == nil then
             skipped = skipped + 1
         else
             failed = failed + 1
         end
     end
 
-    print(string.format("✅ Passed: %d", passed))
-    print(string.format("⏭️  Skipped: %d", skipped))
-    print(string.format("❌ Failed: %d", failed))
-    print("================================\n")
+    self.reporter:onEndTestSet(self.processedTests, passed, failed, skipped, testDuration)
 end
 
 -- --[[
diff --git a/libs/jestronaut/environment/state.lua b/libs/jestronaut/environment/state.lua
index e79995a..12e386a 100644
--- a/libs/jestronaut/environment/state.lua
+++ b/libs/jestronaut/environment/state.lua
@@ -209,7 +209,9 @@ local DESCRIBE_OR_TEST_META = {
     assertionCount = 0,
     parent = nil,
     childCount = 0,
+    childTestCount = 0,
     grandChildrenCount = 0,
+    grandChildrenTestCount = 0,
 
     --- @type DescribeOrTest[]
     children = nil
@@ -222,6 +224,10 @@ DESCRIBE_OR_TEST_META.__index = DESCRIBE_OR_TEST_META
 function DESCRIBE_OR_TEST_META:addChild(child)
     self.childCount = self.childCount + 1
 
+    if child.isTest then
+        self.childTestCount = self.childTestCount + 1
+    end
+
     self.children[self.childCount] = child
     self.childrenLookup[child.name] = self.childCount
 
@@ -229,6 +235,10 @@ function DESCRIBE_OR_TEST_META:addChild(child)
 
     if self.parent then
         self.parent.grandChildrenCount = self.parent.grandChildrenCount + 1
+
+        if child.isTest then
+            self.parent.grandChildrenTestCount = self.parent.grandChildrenTestCount + 1
+        end
     end
 end
 
@@ -253,7 +263,7 @@ end
 --     local failedTestCount = 0
 
 --     if self.toSkip then
---         reporter:testSkipped(self)
+--         reporter:onTestSkipped(self)
 
 --         return failedTestCount
 --     end
@@ -269,7 +279,7 @@ end
 --     end
 
 --     if self.isTest then
---         reporter:testStarting(self)
+--         reporter:onTestStarting(self)
 --         self.isRunning = true
 
 --         local testLocalState = getTestLocalState(self.filePath)
@@ -296,7 +306,7 @@ end
 --         end
 
 --         if (success or (not retrySettings or retrySettings.options.logErrorsBeforeRetry)) then
---             reporter:testFinished(self, success)
+--             reporter:onTestFinished(self, success)
 --         end
 
 --         if not success then
@@ -306,14 +316,14 @@ end
 --                 if retrySettings.timesRemaining > 0 then
 --                     retrySettings.timesRemaining = retrySettings.timesRemaining - 1
 
---                     reporter:testRetrying(self, retrySettings.timesRemaining + 1)
+--                     reporter:onTestRetrying(self, retrySettings.timesRemaining + 1)
 
 --                     return self:run(reporter, runnerOptions)
 --                 end
 --             end
 
 --             if runnerOptions.bail ~= nil and failedTestCount >= runnerOptions.bail then
---                 reporter:testFinished(self, success)
+--                 reporter:onTestFinished(self, success)
 
 --                 error(
 --                     "Bail after " .. failedTestCount .. " failed "
@@ -336,7 +346,7 @@ end
 --             self.success = failedTestCount == 0
 --         end
 
---         reporter:testFinished(self, self.success)
+--         reporter:onTestFinished(self, self.success)
 --     end
 
 --     return failedTestCount
@@ -420,7 +430,7 @@ FILE_FOR_RUN.__index = FILE_FOR_RUN
 --- TODO: table is that useful anymore.
 --- @param describeOrTest DescribeOrTest
 --- @param runnerOptions RunnerOptions
---- @return DescribeOrTestForRun, table, number, table
+--- @return DescribeOrTestForRun, table, number
 local function copyDescribeOrTestForRun(describeOrTest, runnerOptions)
     local describeOrTestForRun, skippedTestCount = makeDescribeOrTestForRun(describeOrTest, runnerOptions)
     local describesByFilePath = {}
@@ -457,7 +467,7 @@ local function copyDescribeOrTestForRun(describeOrTest, runnerOptions)
         table.insert(describesByFilePath[fileIndex].describesOrTests, child)
     end
 
-    if describeOrTest.isDescribe then
+    if describeOrTestForRun.children then
         for _, child in pairs(describeOrTest.children) do
             local child, childDescribesByFilePath, childSkippedCount = copyDescribeOrTestForRun(child, runnerOptions)
 
@@ -465,9 +475,7 @@ local function copyDescribeOrTestForRun(describeOrTest, runnerOptions)
 
             skippedTestCount = skippedTestCount + childSkippedCount
         end
-    end
 
-    if describeOrTestForRun.children then
         for _, child in pairs(describeOrTestForRun.children) do
             insertChildWithFile(child)
         end
@@ -716,6 +724,7 @@ local function runTests(runnerOptions)
         i = i + 1
     end
 
+    runner:start(testSetRoot, describesByFilePath, skippedTestCount)
     runnerOptions.eventLoopTicker(function()
         return runner:tick()
     end)
diff --git a/libs/jestronaut/reporter-minimal.lua b/libs/jestronaut/reporter-minimal.lua
index 549315c..22c8a58 100644
--- a/libs/jestronaut/reporter-minimal.lua
+++ b/libs/jestronaut/reporter-minimal.lua
@@ -95,7 +95,7 @@ end
 
 --- Prints the name of the test.
 --- @param describeOrTest DescribeOrTest
-function REPORTER:testStarting(describeOrTest)
+function REPORTER:onTestStarting(describeOrTest)
     local file = self:getFileByPath(describeOrTest.filePath)
 
     if file then
@@ -111,7 +111,7 @@ end
 --- Prints the result of the test.
 --- @param describeOrTest DescribeOrTest
 --- @param success boolean
-function REPORTER:testFinished(describeOrTest, success)
+function REPORTER:onTestFinished(describeOrTest, success)
     local file = self:getFileByPath(describeOrTest.filePath)
 
     if file then
@@ -141,7 +141,7 @@ end
 
 --- Prints the skip message of the test.
 --- @param describeOrTest DescribeOrTest
-function REPORTER:testSkipped(describeOrTest)
+function REPORTER:onTestSkipped(describeOrTest)
     local file = self:getFileByPath(describeOrTest.filePath)
 
     if file then
@@ -157,7 +157,7 @@ end
 --- Prints the retry message of the test.
 --- @param describeOrTest DescribeOrTest
 --- @param retryCount number
-function REPORTER:testRetrying(describeOrTest, retryCount)
+function REPORTER:onTestRetrying(describeOrTest, retryCount)
     self:redrawSummary(self.isVerbose)
 end
 
@@ -192,8 +192,9 @@ end
 --- Stores the tests that will be run and prints the summary with header.
 --- @param rootDescribe Describe
 --- @param describesByFilePath table
-function REPORTER:startTestSet(rootDescribe, describesByFilePath)
-    local totalTestCount = rootDescribe.childCount + rootDescribe.grandChildrenCount
+--- @param skippedTestCount number
+function REPORTER:onStartTestSet(rootDescribe, describesByFilePath, skippedTestCount)
+    local totalTestCount = rootDescribe.childTestCount + rootDescribe.grandChildrenTestCount + skippedTestCount
 
     self.summaryHeader = styledText.new(nil, STYLING_DISABLED)
         :plain("🚀 Starting ")
@@ -208,12 +209,13 @@ function REPORTER:startTestSet(rootDescribe, describesByFilePath)
 end
 
 --- Prints the success message of the test.
---- @param rootDescribe Describe
+--- @param processedTests DescribeOrTest[]
+--- @param passedTestCount number
 --- @param failedTestCount number
 --- @param skippedTestCount number
---- @param duration number
-function REPORTER:printEnd(rootDescribe, failedTestCount, skippedTestCount, duration)
-    local totalTestCount = rootDescribe.childCount + rootDescribe.grandChildrenCount
+--- @param testDuration number
+function REPORTER:onEndTestSet(processedTests, passedTestCount, failedTestCount, skippedTestCount, testDuration)
+    local totalTestCount = passedTestCount + failedTestCount + skippedTestCount
     local notRunCount = failedTestCount + skippedTestCount
     local relativeSuccess = 1 - (notRunCount / totalTestCount)
 
@@ -253,7 +255,7 @@ function REPORTER:printEnd(rootDescribe, failedTestCount, skippedTestCount, dura
 
     originalPrint(
         styledText.new(nil, STYLING_DISABLED)
-        :plain("Time:        " .. duration .. "s")
+        :plain("Time:        " .. testDuration .. "s")
     )
 
     self:printNewline()
diff --git a/libs/jestronaut/reporter.lua b/libs/jestronaut/reporter.lua
index f798342..58ccdd0 100644
--- a/libs/jestronaut/reporter.lua
+++ b/libs/jestronaut/reporter.lua
@@ -148,7 +148,7 @@ end
 
 --- Prints the name of the test.
 --- @param describeOrTest DescribeOrTest
-function REPORTER:testStarting(describeOrTest)
+function REPORTER:onTestStarting(describeOrTest)
     -- Override print so there's no interference with the test output.
     print = function() end -- TODO: Store the print and output it at the end of the test.
 
@@ -165,7 +165,7 @@ end
 --- Prints the result of the test.
 --- @param describeOrTest DescribeOrTest
 --- @param success boolean
-function REPORTER:testFinished(describeOrTest, success)
+function REPORTER:onTestFinished(describeOrTest, success)
     print = originalPrint
 
     local file = self:getFileByPath(describeOrTest.filePath)
@@ -194,7 +194,7 @@ end
 
 --- Prints the skip message of the test.
 --- @param describeOrTest DescribeOrTest
-function REPORTER:testSkipped(describeOrTest)
+function REPORTER:onTestSkipped(describeOrTest)
     local file = self:getFileByPath(describeOrTest.filePath)
 
     if file then
@@ -209,7 +209,7 @@ end
 --- Prints the retry message of the test.
 --- @param describeOrTest DescribeOrTest
 --- @param retryCount number
-function REPORTER:testRetrying(describeOrTest, retryCount)
+function REPORTER:onTestRetrying(describeOrTest, retryCount)
     self:redrawSummary(self.isVerbose)
 end
 
@@ -244,8 +244,9 @@ end
 --- Stores the tests that will be run and prints the summary with header.
 --- @param rootDescribe Describe
 --- @param describesByFilePath table
-function REPORTER:startTestSet(rootDescribe, describesByFilePath)
-    local totalTestCount = rootDescribe.childCount + rootDescribe.grandChildrenCount
+--- @param skippedTestCount number
+function REPORTER:onStartTestSet(rootDescribe, describesByFilePath, skippedTestCount)
+    local totalTestCount = rootDescribe.childTestCount + rootDescribe.grandChildrenTestCount + skippedTestCount
 
     self.summaryHeader = styledText.new()
         :plain("🚀 Starting ")
@@ -259,12 +260,13 @@ function REPORTER:startTestSet(rootDescribe, describesByFilePath)
 end
 
 --- Prints the success message of the test.
---- @param rootDescribe Describe
+--- @param processedTests DescribeOrTest[]
+--- @param passedTestCount number
 --- @param failedTestCount number
 --- @param skippedTestCount number
---- @param duration number
-function REPORTER:printEnd(rootDescribe, failedTestCount, skippedTestCount, duration)
-    local totalTestCount = rootDescribe.childCount + rootDescribe.grandChildrenCount
+--- @param testDuration number
+function REPORTER:onEndTestSet(processedTests, passedTestCount, failedTestCount, skippedTestCount, testDuration)
+    local totalTestCount = passedTestCount + failedTestCount + skippedTestCount
     local notRunCount = failedTestCount + skippedTestCount
     local relativeSuccess = 1 - (notRunCount / totalTestCount)
 
@@ -305,7 +307,7 @@ function REPORTER:printEnd(rootDescribe, failedTestCount, skippedTestCount, dura
 
     originalPrint(
         styledText.new()
-        :plain("Time:        " .. duration .. "s")
+        :plain("Time:        " .. testDuration .. "s")
     )
     originalPrint(
         styledText.new()