message: Extend test double of config to prevent null pointers
diff: @@ -41,7 +41,7 @@ describe('SidenavComponent', () => {
  beforeEach(async(() => {
  configurationService = jasmine.createSpyObj('ConfigurationService',['getApplicationConfiguration'])
  - configurationService.getApplicationConfiguration.and.returnValue(of({}))
  + configurationService.getApplicationConfiguration.and.returnValue(of({ application: { welcomeBanner: {}}, hackingInstructor: {}}))
  challengeService = jasmine.createSpyObj('ChallengeService',['find'])
  challengeService.find.and.returnValue(of([{ solved: false }]))
  cookieService = jasmine.createSpyObj('CookieService',['delete', 'get', 'set'])
  