Fix AuthInterceptor no expectation tests

- Removed duplicate request
- Added expect().nothing() because httpMock.expectNone will throw an error when a request is made

src/app/core/auth/auth.interceptor.spec.ts

@@ -20,9 +20,7 @@ describe(`AuthInterceptor`, () => {
 
   const authServiceStub = new AuthServiceStub();
   const store: Store<TruncatablesState> = jasmine.createSpyObj('store', {
-    /* eslint-disable no-empty,@typescript-eslint/no-empty-function */
     dispatch: {},
-    /* eslint-enable no-empty, @typescript-eslint/no-empty-function */
     select: observableOf(true)
   });
 
@@ -46,6 +44,10 @@ describe(`AuthInterceptor`, () => {
     httpMock = TestBed.inject(HttpTestingController);
   });
 
+  afterEach(() => {
+    httpMock.verify();
+  });
+
   describe('when has a valid token', () => {
 
     it('should not add an Authorization header when we’re sending a HTTP request to \'authn\' endpoint that is not the logout endpoint', () => {
@@ -95,14 +97,11 @@ describe(`AuthInterceptor`, () => {
     });
 
     it('should redirect to login', () => {
-
-      service.request(RestRequestMethod.POST, 'dspace-spring-rest/api/submission/workspaceitems', 'password=password&user=user').subscribe((response) => {
-        expect(response).toBeTruthy();
-      });
-
       service.request(RestRequestMethod.POST, 'dspace-spring-rest/api/submission/workspaceitems', 'password=password&user=user');
 
       httpMock.expectNone('dspace-spring-rest/api/submission/workspaceitems');
+      // HttpTestingController.expectNone will throw an error when a requests is made
+      expect().nothing();
     });
   });