Fixes unit test and problem in map fuction.

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

@@ -44,7 +44,10 @@ export class AuthRequestService {
       map((endpointURL) => this.getEndpointByMethod(endpointURL, method)),
       distinctUntilChanged(),
       map((endpointURL: string) => new AuthPostRequest(this.requestService.generateRequestId(), endpointURL, body, options)),
-      map ((request: PostRequest) => request.responseMsToLive = 0),
+      map ((request: PostRequest) => {
+        request.responseMsToLive = 0;
+        return request;
+      }),
       tap((request: PostRequest) => this.requestService.configure(request)),
       mergeMap((request: PostRequest) => this.fetchRequest(request)),
       distinctUntilChanged());
@@ -56,7 +59,10 @@ export class AuthRequestService {
       map((endpointURL) => this.getEndpointByMethod(endpointURL, method)),
       distinctUntilChanged(),
       map((endpointURL: string) => new AuthGetRequest(this.requestService.generateRequestId(), endpointURL, options)),
-      map ((request: GetRequest) => request.responseMsToLive = 0),
+      map ((request: GetRequest) => {
+        request.responseMsToLive = 0;
+        return request;
+      }),
       tap((request: GetRequest) => this.requestService.configure(request)),
       mergeMap((request: GetRequest) => this.fetchRequest(request)),
       distinctUntilChanged());

src/app/core/submission/submission-rest.service.spec.ts

@@ -59,6 +59,8 @@ describe('SubmissionRestService test suite', () => {
   describe('getDataById', () => {
     it('should configure a new SubmissionRequest', () => {
       const expected = new SubmissionRequest(requestService.generateRequestId(), resourceHref);
+      // set cache time to zero
+      expected.responseMsToLive = 0;
       scheduler.schedule(() => service.getDataById(resourceEndpoint, resourceScope).subscribe());
       scheduler.flush();
 

src/app/core/submission/submission-rest.service.ts

@@ -109,7 +109,10 @@ export class SubmissionRestService {
       filter((href: string) => isNotEmpty(href)),
       distinctUntilChanged(),
       map((endpointURL: string) => new SubmissionRequest(requestId, endpointURL)),
-      map ((request: RestRequest) => request.responseMsToLive = 0),
+      map ((request: RestRequest) => {
+        request.responseMsToLive = 0;
+        return request;
+      }),
       tap((request: RestRequest) => this.requestService.configure(request)),
       flatMap(() => this.fetchRequest(requestId)),
       distinctUntilChanged());