diff --git a/src/cmd/go/testdata/script/test_chatty_parallel_success_run.txt b/src/cmd/go/testdata/script/test_chatty_parallel_success_run.txt
new file mode 100644
index 00000000000..b0f4cc19775
--- /dev/null
+++ b/src/cmd/go/testdata/script/test_chatty_parallel_success_run.txt
@@ -0,0 +1,41 @@
+# Run parallel chatty tests. Assert on CONT lines. This test makes sure that
+# multiple parallel outputs have the appropriate CONT lines between them.
+go test -parallel 3 chatty_parallel -v
+
+stdout '=== RUN   TestInterruptor/interruption\n=== CONT  TestLog\n    chatty_parallel_test.go:28: this is the second TestLog log\n--- PASS: TestLog \([0-9.]{4}s\)'
+
+-- go.mod --
+module chatty_parallel
+
+go 1.18
+-- chatty_parallel_test.go --
+package chatty_parallel_test
+
+import (
+	"testing"
+)
+
+var (
+	afterFirstLog = make(chan struct{})
+	afterSubTest  = make(chan struct{})
+	afterSecondLog = make(chan struct{})
+)
+
+func TestInterruptor(t *testing.T) {
+	t.Parallel()
+
+	<-afterFirstLog
+	t.Run("interruption", func (t *testing.T) {})
+	close(afterSubTest)
+	<-afterSecondLog // Delay the "PASS: TestInterruptor" line until after "CONT  TestLog".
+}
+
+func TestLog(t *testing.T) {
+	t.Parallel()
+
+	t.Logf("this is the first TestLog log")
+	close(afterFirstLog)
+	<-afterSubTest
+	t.Logf("this is the second TestLog log")
+	close(afterSecondLog)
+}
diff --git a/src/cmd/go/testdata/script/test_chatty_parallel_success_sleepy.txt b/src/cmd/go/testdata/script/test_chatty_parallel_success_sleepy.txt
deleted file mode 100644
index e651a7ed243..00000000000
--- a/src/cmd/go/testdata/script/test_chatty_parallel_success_sleepy.txt
+++ /dev/null
@@ -1,39 +0,0 @@
-# Run parallel chatty tests. Assert on CONT lines. This test makes sure that
-# multiple parallel outputs have the appropriate CONT lines between them.
-go test -parallel 3 chatty_parallel_test.go -v
-
-stdout '--- PASS: TestFast \([0-9.]{4}s\)\n=== CONT  TestSlow\n    chatty_parallel_test.go:31: this is the second TestSlow log\n--- PASS: TestSlow \([0-9.]{4}s\)'
-
--- chatty_parallel_test.go --
-package chatty_parallel_test
-
-import (
-	"testing"
-	"time"
-)
-
-var (
-	run           = make(chan struct{})
-	afterFirstLog = make(chan struct{})
-	afterPass     = make(chan struct{})
-)
-
-func TestFast(t *testing.T) {
-	t.Parallel()
-
-	<-afterFirstLog
-	t.Cleanup(func() {
-		close(afterPass)
-	})
-}
-
-func TestSlow(t *testing.T) {
-	t.Parallel()
-
-	t.Logf("this is the first TestSlow log")
-	close(afterFirstLog)
-
-	<-afterPass
-	time.Sleep(100 * time.Millisecond)
-	t.Logf("this is the second TestSlow log")
-}