@Test
public void getDefaultCoOwners_oneCoOwnerName() {

    String coOwnerName = "test1";
    Identity coOwnerIdentityMock = mock(Identity.class);
    when(campusConfigurationMock.getDefaultCoOwnerUserNames()).thenReturn(coOwnerName);
    when(baseSecurityMock.findIdentityByName(coOwnerName)).thenReturn(coOwnerIdentityMock);
    // Exercise
    List<Identity> coOwners = campuskursCoOwnersTestObject.getDefaultCoOwners();
    assertEquals("Wrong number of owners", 1, coOwners.size());
}