Method m = Baz.class.getMethod("rawList", List.class);
        assertThat(MethodUtil.getElementTypeOfCollectionFromParameterType(m, 0), is(nullValue()));

        m = Baz.class.getMethod("genericList", List.class);
        assertThat(MethodUtil.getElementTypeOfCollectionFromParameterType(m, 0), is(sameClass(Integer.class)));
    }

    /**
     * @throws Exception
     */
    @Test

	if err != nil {
		return nil, err
	}
	return &genericrest.LocationStreamer{
		Location:                              location,
		Transport:                             transport,
		ContentType:                           "text/plain",
		Flush:                                 logOpts.Follow,
		ResponseChecker:                       genericrest.NewGenericHttpResponseChecker(api.Resource("pods/log"), name),

	// Check that helper-ness propagates up through panic/recover.
	// See https://golang.org/issue/31154.
	recoverHelper(t, "12")

	genericHelper[float64](t, "GenericFloat64")
	genericIntHelper(t, "GenericInt")
}

func parallelTestHelper(t *testing.T) {
	var wg sync.WaitGroup
	for i := 0; i < 5; i++ {
		wg.Add(1)
		go func() {
			notHelperCallingHelper(t, "parallel")
			wg.Done()
		}()
	}
	wg.Wait()

        helperfuncs_test.go:58: 7
    --- FAIL: TestTBHelper/sub2 \([^)]+\)
        helperfuncs_test.go:80: 11
    helperfuncs_test.go:84: recover 12
    helperfuncs_test.go:86: GenericFloat64
    helperfuncs_test.go:87: GenericInt
    helper_test.go:22: 8
    helperfuncs_test.go:73: 9
    helperfuncs_test.go:69: 10
`
	if !regexp.MustCompile(want).Match(out) {
		t.Errorf("got output:\n\n%s\nwant matching:\n\n%s", out, want)
	}
}