@Test
public void getDefaultCoOwners_twoCoOwnerName() {

    String coOwnerName = "test1";
    Identity coOwnerIdentityMock = mock(Identity.class);
    String secondCoOwnerName = "test2";
    Identity secondCoOwnerIdentityMock = mock(Identity.class);
    String coOwnerConigValue = coOwnerName + "," + secondCoOwnerName;
    when(campusConfigurationMock.getDefaultCoOwnerUserNames()).thenReturn(coOwnerConigValue);
    when(baseSecurityMock.findIdentityByName(coOwnerName)).thenReturn(coOwnerIdentityMock);
    when(baseSecurityMock.findIdentityByName(secondCoOwnerName)).thenReturn(secondCoOwnerIdentityMock);
    // Exercise
    List<Identity> coOwners = campuskursCoOwnersTestObject.getDefaultCoOwners();
    assertEquals("Wrong number of owners", 2, coOwners.size());
}