@Test
public void testGroupNotExists() {
DBUserGroupCallbackImpl callback = new DBUserGroupCallbackImpl(props);
boolean exists = callback.existsGroup("HR");
assertFalse(exists);
}
@Test
public void testGroupExists() {
DBUserGroupCallbackImpl callback = new DBUserGroupCallbackImpl(props);
boolean exists = callback.existsGroup("PM");
assertTrue(exists);
}