@Test
public void getKinds_threeKindsStored_gaeKind_shouldReturnTheTwoKinds() {

    // given
    createEntityInDatastore(KIND_NAME, PROPERTY_NAME, A_NAME);
    createEntityInDatastore(ANOTHER_KIND, PROPERTY_NAME, ANOTHER_NAME);
    createEntityInDatastore(GAE_KIND_NAME, PROPERTY_NAME, ANOTHER_NAME);
    // when
    List<String> kindsList = kindsService.getKinds(null);
    // then
    assertEquals(2, kindsList.size());
    assertTrue(kindsList.contains(KIND_NAME));
    assertTrue(kindsList.contains(ANOTHER_KIND));
}