message: Mock services in preparation of adding test cases
diff: @@ -14,15 +14,30 @@ import { CodeSnippetService } from '../Services/code-snippet.service'
  import { CookieModule, CookieService } from 'ngx-cookie'
  import { ConfigurationService } from '../Services/configuration.service'
  import { of } from 'rxjs'
  +import { CodeFixesService } from '../Services/code-fixes.service'
  +import { VulnLinesService } from '../Services/vuln-lines.service'
  +import { ChallengeService } from '../Services/challenge.service'
  describe('CodeSnippetComponent', () => {
  let component: CodeSnippetComponent
  let fixture: ComponentFixture<CodeSnippetComponent>
  let configurationService: any
  + let cookieService: any
  + let codeSnippetService: any
  + let codeFixesService: any
  + let vulnLinesService: any
  + let challengeService: any
  beforeEach(waitForAsync(() => {
  configurationService = jasmine.createSpyObj('ConfigurationService', ['getApplicationConfiguration'])
  configurationService.getApplicationConfiguration.and.returnValue(of({ application: {}, challenges: {} }))
  + cookieService = jasmine.createSpyObj('CookieService', ['put'])
  + codeSnippetService = jasmine.createSpyObj('CodeSnippetService', ['get', 'check'])
  + codeSnippetService.get.and.returnValue(of({}))
  + codeFixesService = jasmine.createSpyObj('CodeFixesService', ['get', 'check'])
  + codeFixesService.get.and.returnValue(of({}))
  + vulnLinesService = jasmine.createSpyObj('VulnLinesService', ['check'])
  + challengeService = jasmine.createSpyObj('ChallengeService', ['continueCodeFindIt', 'continueCodeFixIt'])
  TestBed.configureTestingModule({
  imports: [
  @@ -34,15 +49,17 @@ describe('CodeSnippetComponent', () => {
  ],
  declarations: [CodeSnippetComponent],
  providers: [
  - CodeSnippetService,
  - CookieService,
  { provide: MatDialogRef, useValue: {} },
  { provide: MAT_DIALOG_DATA, useValue: { dialogData: {} } },
  - { provide: ConfigurationService, useValue: configurationService }
  + { provide: ConfigurationService, useValue: configurationService },
  + { provide: CookieService, useValue: cookieService },
  + { provide: CodeSnippetService, useValue: codeSnippetService },
  + { provide: CodeFixesService, useValue: codeFixesService },
  + { provide: VulnLinesService, useValue: vulnLinesService },
  + { provide: ChallengeService, useValue: challengeService }
  ]
  })
  .compileComponents()
  - TestBed.inject(CookieService)
  }))
  beforeEach(() => {
  