Updated the files.

my-app/node_modules/@angular/common/esm2022/http/testing/index.mjs

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+/**
+ * @license
+ * Copyright Google LLC All Rights Reserved.
+ *
+ * Use of this source code is governed by an MIT-style license that can be
+ * found in the LICENSE file at https://angular.io/license
+ */
+export * from './public_api';
+//# sourceMappingURL=data:application/json;base64,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

my-app/node_modules/@angular/common/esm2022/http/testing/public_api.mjs

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+/**
+ * @license
+ * Copyright Google LLC All Rights Reserved.
+ *
+ * Use of this source code is governed by an MIT-style license that can be
+ * found in the LICENSE file at https://angular.io/license
+ */
+export { HttpTestingController } from './src/api';
+export { HttpClientTestingModule } from './src/module';
+export { provideHttpClientTesting } from './src/provider';
+export { TestRequest } from './src/request';
+//# sourceMappingURL=data:application/json;base64,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

my-app/node_modules/@angular/common/esm2022/http/testing/src/module.mjs

@@ -0,0 +1,31 @@
+/**
+ * @license
+ * Copyright Google LLC All Rights Reserved.
+ *
+ * Use of this source code is governed by an MIT-style license that can be
+ * found in the LICENSE file at https://angular.io/license
+ */
+import { HttpClientModule } from '@angular/common/http';
+import { NgModule } from '@angular/core';
+import { provideHttpClientTesting } from './provider';
+import * as i0 from "@angular/core";
+/**
+ * Configures `HttpClientTestingBackend` as the `HttpBackend` used by `HttpClient`.
+ *
+ * Inject `HttpTestingController` to expect and flush requests in your tests.
+ *
+ * @publicApi
+ */
+export class HttpClientTestingModule {
+    static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "17.1.3", ngImport: i0, type: HttpClientTestingModule, deps: [], target: i0.ɵɵFactoryTarget.NgModule }); }
+    static { this.ɵmod = i0.ɵɵngDeclareNgModule({ minVersion: "14.0.0", version: "17.1.3", ngImport: i0, type: HttpClientTestingModule, imports: [HttpClientModule] }); }
+    static { this.ɵinj = i0.ɵɵngDeclareInjector({ minVersion: "12.0.0", version: "17.1.3", ngImport: i0, type: HttpClientTestingModule, providers: [provideHttpClientTesting()], imports: [HttpClientModule] }); }
+}
+i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "17.1.3", ngImport: i0, type: HttpClientTestingModule, decorators: [{
+            type: NgModule,
+            args: [{
+                    imports: [HttpClientModule],
+                    providers: [provideHttpClientTesting()],
+                }]
+        }] });
+//# sourceMappingURL=data:application/json;base64,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

my-app/node_modules/@angular/common/esm2022/http/testing/src/provider.mjs

@@ -0,0 +1,18 @@
+/**
+ * @license
+ * Copyright Google LLC All Rights Reserved.
+ *
+ * Use of this source code is governed by an MIT-style license that can be
+ * found in the LICENSE file at https://angular.io/license
+ */
+import { HttpBackend } from '@angular/common/http';
+import { HttpTestingController } from './api';
+import { HttpClientTestingBackend } from './backend';
+export function provideHttpClientTesting() {
+    return [
+        HttpClientTestingBackend,
+        { provide: HttpBackend, useExisting: HttpClientTestingBackend },
+        { provide: HttpTestingController, useExisting: HttpClientTestingBackend },
+    ];
+}
+//# sourceMappingURL=data:application/json;base64,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

my-app/node_modules/@angular/common/esm2022/http/testing/testing.mjs

@@ -0,0 +1,5 @@
+/**
+ * Generated bundle index. Do not edit.
+ */
+export * from './index';
+//# sourceMappingURL=data:application/json;base64,eyJ2ZXJzaW9uIjozLCJmaWxlIjoidGVzdGluZy5qcyIsInNvdXJjZVJvb3QiOiIiLCJzb3VyY2VzIjpbIi4uLy4uLy4uLy4uLy4uLy4uLy4uL3BhY2thZ2VzL2NvbW1vbi9odHRwL3Rlc3RpbmcvdGVzdGluZy50cyJdLCJuYW1lcyI6W10sIm1hcHBpbmdzIjoiQUFBQTs7R0FFRztBQUVILGNBQWMsU0FBUyxDQUFDIiwic291cmNlc0NvbnRlbnQiOlsiLyoqXG4gKiBHZW5lcmF0ZWQgYnVuZGxlIGluZGV4LiBEbyBub3QgZWRpdC5cbiAqL1xuXG5leHBvcnQgKiBmcm9tICcuL2luZGV4JztcbiJdfQ==