use GET for shortlivedtoken requests on the server, POST on the client

src/app/core/auth/browser-auth-request.service.spec.ts

@@ -0,0 +1,29 @@
+import { AuthRequestService } from './auth-request.service';
+import { RequestService } from '../data/request.service';
+import { BrowserAuthRequestService } from './browser-auth-request.service';
+
+describe(`BrowserAuthRequestService`, () => {
+  let href: string;
+  let requestService: RequestService;
+  let service: AuthRequestService;
+
+  beforeEach(() => {
+    href = 'https://rest.api/auth/shortlivedtokens';
+    requestService = jasmine.createSpyObj('requestService', {
+      'generateRequestId': '8bb0582d-5013-4337-af9c-763beb25aae2'
+    });
+    service = new BrowserAuthRequestService(null, requestService, null);
+  });
+
+  describe(`createShortLivedTokenRequest`, () => {
+    it(`should return a PostRequest`, () => {
+      const result = (service as any).createShortLivedTokenRequest(href);
+      expect(result.constructor.name).toBe('PostRequest');
+    });
+
+    it(`should return a request with the given href`, () => {
+      const result = (service as any).createShortLivedTokenRequest(href);
+      expect(result.href).toBe(href) ;
+    });
+  });
+});