// Blank bindDn should return empty
        OptionalEntity<String> result = ldapManager.getSAMAccountGroupName("", "testGroup");
        assertFalse(result.isPresent());

        result = ldapManager.getSAMAccountGroupName("   ", "testGroup");
        assertFalse(result.isPresent());
    }

    @Test
    public void test_getSAMAccountGroupName_withNullGroupName() {