Failed to load ApplicationContext:Realizar testes JUNIT com Controllers Spring

Programação
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#1

Estou tendo problemas para criar testes pros meus controllers no meu projeot spring boot

@RunWith(SpringRunner.class)
@WebMvcTest(controllers = AutenticacaoController.class) 
class teste {

	@Autowired
	private MockMvc mvc;

	public teste(){}
	


		@Test
		public void getAllEmployeesAPI() throws Exception 
		{
			

			 RequestBuilder request = MockMvcRequestBuilders
						.get("/auth/logar")
						.accept(MediaType.APPLICATION_JSON);
				
				MvcResult result = mvc.perform(request)
						.andExpect(status().isOk())
						.andExpect(content().string("Hello World"))
						.andReturn();
	     
	}