@Test
public void synchronizeStudentMapping_MappingAlreadyExist() {

    when(userMappingDaoMock.existsMappingForSapUserId(studentMock.getId())).thenReturn(true);
    MappingResult result = studentMapperTestObject.synchronizeStudentMapping(studentMock);
    assertEquals("", MappingResult.MAPPING_ALREADY_EXIST, result);
}