Switched to storing requests based on UUID, generalized UUIDIndexReducer to work with any type of index

src/app/shared/mocks/mock-request.service.ts

@@ -0,0 +1,8 @@
+import { RequestService } from '../../core/data/request.service';
+
+export function initMockRequestService(): RequestService {
+  return jasmine.createSpyObj('requestService', {
+    configure: () => false,
+    generateRequestId: () => 'clients/b186e8ce-e99c-4183-bc9a-42b4821bdb78'
+  });
+}