@Test
public void signOut_shouldReturnTrue_ifSignsOutBeingSignedIn() throws Exception {
HttpRequest signUpRequest = signUpRequest("*****@*****.**", "pass");
assertThat(signUpRequest.code()).isEqualTo(CREATED.getStatusCode());
String token = signUpRequest.body().toString();
assertThat(token).isNotEmpty();
HttpRequest signOutRequest = signOutRequest(token);
assertThat(signOutRequest.code()).isEqualTo(OK.getStatusCode());
assertThat(signOutRequest.body()).isEqualTo("true");
}
