@Test
public void test_saveAbout_UpdateDTO() throws QuadrigaStorageException {

    AboutTextDTO dto = new AboutTextDTO();
    dto.setId("UniqueId2");
    dto.setProjectId("1st");
    dto.setTitle("UpdateTitle");
    dto.setDescription("Update Description");
    Mockito.when(mockedAboutTextDAO.getDTOByProjectId("PROJxyzwqr")).thenReturn(dto);
    aboutTextManager.saveAbout("PROJxyzwqr", updateText);
    argument = ArgumentCaptor.forClass(AboutTextDTO.class);
    Mockito.verify(mockedAboutTextDAO, Mockito.times(1)).saveOrUpdateDTO(argument.capture());
    assertEquals("testId1234", argument.getValue().getId());
    assertEquals("PROJxyzwqr", argument.getValue().getProjectId());
    assertEquals("UpdateTitle", argument.getValue().getTitle());
    assertEquals("Update Description", argument.getValue().getDescription());
}