@Test
public void testfindId() {

	CodeSystem codeSystem = mock(CodeSystem.class);
	when(codeSystemRepository.findOne(anyLong())).thenReturn(codeSystem);
	CodeSystemDto codeSystemDto = mock(CodeSystemDto.class);
	when(valueSetMgmtHelper.createCodeSystemDtoFromEntity(codeSystem))
			.thenReturn(codeSystemDto);
	assertEquals(vst.findById((long) 1), codeSystemDto);
}