Function makeRequestAndExpectOne

packages/common/http/test/transfer_cache_spec.ts:433–442

(url: string, body: RequestBody, params?: RequestParams)

      params?: RequestParams & {observe: 'response'},
    ): HttpResponse<string>;
    function makeRequestAndExpectOne(url: string, body: RequestBody, params?: RequestParams): any {
      let response!: any;
      TestBed.inject(HttpClient)
        .request(params?.method ?? 'GET', url, params)
        .subscribe((r) => (response = r));
      TestBed.inject(HttpTestingController)
        .expectOne(url)
        .flush(body, {headers: params?.responseHeaders ?? params?.headers});
      return response;
    }

    function makeRequestAndExpectNone(
      url: string,