build: remove main() from specs (#21053)

PR Close #21053

packages/common/http/test/client_spec.ts

@@ -15,7 +15,7 @@ import {HttpClient} from '../src/client';
 import {HttpErrorResponse, HttpEventType, HttpResponse} from '../src/response';
 import {HttpClientTestingBackend} from '../testing/src/backend';
 
-export function main() {
+{
   describe('HttpClient', () => {
     let client: HttpClient = null !;
     let backend: HttpClientTestingBackend = null !;

packages/common/http/test/headers_spec.ts

@@ -8,7 +8,7 @@
 
 import {HttpHeaders} from '../src/headers';
 
-export function main() {
+{
   describe('HttpHeaders', () => {
 
     describe('initialization', () => {

packages/common/http/test/jsonp_spec.ts

@@ -24,7 +24,7 @@ function runOnlyCallback(home: any, data: Object) {
 
 const SAMPLE_REQ = new HttpRequest<never>('JSONP', '/test');
 
-export function main() {
+{
   describe('JsonpClientBackend', () => {
     let home = {};
     let document: MockDocument;

packages/common/http/test/module_spec.ts

@@ -47,7 +47,7 @@ class InterceptorB extends TestInterceptor {
   constructor() { super('B'); }
 }
 
-export function main() {
+{
   describe('HttpClientModule', () => {
     let injector: Injector;
     beforeEach(() => {

packages/common/http/test/params_spec.ts

@@ -8,7 +8,7 @@
 
 import {HttpParams} from '../src/params';
 
-export function main() {
+{
   describe('HttpUrlEncodedParams', () => {
     describe('initialization', () => {
       it('should be empty at construction', () => {

packages/common/http/test/request_spec.ts

@@ -15,7 +15,7 @@ import {HttpRequest} from '../src/request';
 const TEST_URL = 'http://angular.io';
 const TEST_STRING = `I'm a body!`;
 
-export function main() {
+{
   describe('HttpRequest', () => {
     describe('constructor', () => {
       it('initializes url', () => {

packages/common/http/test/response_spec.ts

@@ -11,7 +11,7 @@ import {ddescribe, describe, it} from '@angular/core/testing/src/testing_interna
 import {HttpHeaders} from '../src/headers';
 import {HttpResponse} from '../src/response';
 
-export function main() {
+{
   describe('HttpResponse', () => {
     describe('constructor()', () => {
       it('fully constructs responses', () => {

packages/common/http/test/xhr_spec.ts

@@ -27,7 +27,7 @@ const TEST_POST = new HttpRequest('POST', '/test', 'some body', {
 
 const XSSI_PREFIX = ')]}\'\n';
 
-export function main() {
+{
   describe('XhrBackend', () => {
     let factory: MockXhrFactory = null !;
     let backend: HttpXhrBackend = null !;

packages/common/http/test/xsrf_spec.ts

@@ -19,7 +19,7 @@ class SampleTokenExtractor {
   getToken(): string|null { return this.token; }
 }
 
-export function main() {
+{
   describe('HttpXsrfInterceptor', () => {
     let backend: HttpClientTestingBackend;
     const interceptor = new HttpXsrfInterceptor(new SampleTokenExtractor('test'), 'X-XSRF-TOKEN');