// We'll just check that this function name appears in it.
	if got, want := gotErr.Error(), "TestLogValue"; !strings.Contains(got, want) {
		t.Errorf("got %q, want substring %q", got, want)
	}
}

func TestValueTime(t *testing.T) {
	// Validate that all representations of times work correctly.
	for _, tm := range []time.Time{
		time.Time{},
		time.Unix(0, 1e15), // UnixNanos is defined