diff --git a/go/localtests/test.go b/go/localtests/test.go
index c31800d..9f2e144 100644
--- a/go/localtests/test.go
+++ b/go/localtests/test.go
@@ -130,7 +130,9 @@ func (test *Test) Migrate(config Config, primary, replica *sql.DB) (err error) {
 	cmd.Stderr = &stderr
 	cmd.Stdout = &output
 
-	if strings.TrimSpace(os.Getenv("GITHUB_ACTION")) == "true" {
+	// group stdout log lines if running in GitHub Actions
+	// https://docs.github.com/en/actions/using-workflows/workflow-commands-for-github-actions#grouping-log-lines
+	if strings.TrimSpace(os.Getenv("GITHUB_ACTION")) != "" {
 		go func(reader io.Reader) {
 			scanner := bufio.NewScanner(&output)
 			fmt.Printf("::group::%s stdout\n", test.Name)