@Test
public void synchronizeCourse_CouldNotFoundCourse() {

    DaoManager daoManagerMock = mock(DaoManager.class);
    when(daoManagerMock.getSapCampusCourse(NOT_EXISTING_SAP_COURSE_ID)).thenReturn(null);
    // courseSynchronizerTestObject.campusDaoManager = daoManagerMock;
    SynchronizedGroupStatistic statistic = courseSynchronizerTestObject.synchronizeCourse(null);
    assertNotNull(statistic);
}