@Test
public void testfindAll() {

	List<CodeSystem> codeSystems = mock(List.class);
	when(codeSystemRepository.findAll()).thenReturn(codeSystems);
	List<CodeSystemDto> codeSystemDtos = new ArrayList();
	CodeSystemDto codeSystemDto = mock(CodeSystemDto.class);
	codeSystemDtos.add(codeSystemDto);
	when(valueSetMgmtHelper.convertCodeSystemEntitiesToDtos(codeSystems))
			.thenReturn(codeSystemDtos);
	assertEquals(vst.findAll(), codeSystemDtos);
}