}
	return output
}

func TestIsValidGroupID(t *testing.T) {
	goodValues := createGroupIDs(0, 1, 1000, 65535, 2147483647)
	for _, val := range goodValues {
		if msgs := IsValidGroupID(val); len(msgs) != 0 {
			t.Errorf("expected true for '%d': %v", val, msgs)
		}
	}

	badValues := createGroupIDs(-1, -1003, 2147483648, 4147483647)
	for _, val := range badValues {