}

		if !strings.Contains(fmt.Sprint(cmd.Stderr), "\n\ngoroutine ") {
			t.Errorf("cmd.Stderr does not contain a goroutine dump")
		}
	})
}

func TestCancelErrors(t *testing.T) {
	t.Parallel()

	// If Cancel returns a non-ErrProcessDone error and the process
	// exits successfully, Wait should wrap the error from Cancel.
	t.Run("success after error", func(t *testing.T) {