Add launch.json for debugging Go code

.vscode/launch.json

@@ -0,0 +1,16 @@
+{
+  // Use IntelliSense to learn about possible attributes.
+  // Hover to view descriptions of existing attributes.
+  // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+  "version": "0.2.0",
+  "configurations": [
+    {
+      "name": "Launch Package",
+      "type": "go",
+      "request": "launch",
+      "mode": "auto",
+      "program": "${fileDirname}",
+      "args": ["list", "./..."]
+    }
+  ]
+}

main.go

@@ -209,7 +209,7 @@ func runTest(ctx context.Context, args []string) error {
 			args = append(args, "-test.run", fmt.Sprintf("^%s$", test))
 			for i := opts.Retry; i >= 0; i-- {
 				cmd := exec.Command(bin, args...)
-				fmt.Println(cmd.String())
+				// fmt.Println(cmd.String())
 				out, err := cmd.CombinedOutput()
 				if err != nil {
 					if i == 0 {
@@ -284,7 +284,8 @@ func compileTestBin(pkg Package, tempdir string) (string, error) {
 func listDirTests(dir string) ([]string, error) {
 	cmd := exec.Command("go", "test", "-list", ".")
 	cmd.Dir = dir
-	fmt.Println(cmd.String())
+	fmt.Println("Directory: ", dir)
+	// fmt.Println(cmd.String())
 	out, err := cmd.CombinedOutput()
 	if err != nil {
 		return nil, err
@@ -301,9 +302,14 @@ func listDirTests(dir string) ([]string, error) {
 
 		tests = append(tests, line)
 	}
+	fmt.Printf("Found %d tests\n", len(tests))
+
+	if opts.Skip == nil && opts.Run == nil {
+		return tests, nil
+	}
 
 	if len(opts.Skip) > 0 {
-		fmt.Println("skip", opts.Skip)
+		// fmt.Println("skip", opts.Skip)
 		var filteredTests []string
 		for _, test := range tests {
 			shouldKeep := true
@@ -329,7 +335,7 @@ func listDirTests(dir string) ([]string, error) {
 	}
 
 	if len(opts.Run) > 0 {
-		fmt.Println("run", opts.Run)
+		// fmt.Println("run", opts.Run)
 		var filteredTests []string
 		for _, test := range tests {
 			shouldKeep := false
@@ -353,14 +359,15 @@ func listDirTests(dir string) ([]string, error) {
 		}
 		tests = filteredTests
 	}
+	fmt.Println("Filtered tests: ", tests)
 
 	return tests, nil
 }
 
 func listPackagesWithTests(patterns []string) ([]Package, error) {
 	cmdArgs := append([]string{"list", "-test", "-f", "{{.ImportPath}} {{.Dir}}"}, patterns...)
 	cmd := exec.Command("go", cmdArgs...)
-	fmt.Println(cmd.String())
+	// fmt.Println(cmd.String())
 	out, err := cmd.CombinedOutput()
 	if err != nil {
 		fmt.Fprintln(os.Stderr, string(out))

main_test.go

@@ -6,7 +6,6 @@ import (
 	"testing"
 
 	"github.com/stretchr/testify/require"
-	"go.uber.org/goleak"
 )
 
 func TestRun(t *testing.T) {
@@ -43,7 +42,7 @@ func ExampleList() {
 }
 
 func TestMain(m *testing.M) {
-	goleak.VerifyTestMain(m)
+	// goleak.VerifyTestMain(m)
 }
 
 func checkErr(err error) {