register("RecursivePanic3", RecursivePanic3)
	register("RecursivePanic4", RecursivePanic4)
	register("RecursivePanic5", RecursivePanic5)
	register("GoexitExit", GoexitExit)
	register("GoNil", GoNil)
	register("MainGoroutineID", MainGoroutineID)
	register("Breakpoint", Breakpoint)
	register("GoexitInPanic", GoexitInPanic)
	register("PanicAfterGoexit", PanicAfterGoexit)
	register("RecoveredPanicAfterGoexit", RecoveredPanicAfterGoexit)

	if !strings.Contains(output, want) {
		t.Fatalf("output:\n%s\n\nwant output containing: %s", output, want)
	}
}

func TestMainGoroutineID(t *testing.T) {
	output := runTestProg(t, "testprog", "MainGoroutineID")
	want := "panic: test\n\ngoroutine 1 [running]:\n"
	if !strings.HasPrefix(output, want) {
		t.Fatalf("output does not start with %q:\n%s", want, output)
	}
}

func TestNoHelperGoroutines(t *testing.T) {