fix: fix interceptors

src/testing/http.ts

@@ -1,9 +1,21 @@
-import { HttpFeatureKind } from '@ngify/http';
 import { HttpClientTestingBackend } from '@ngify/http/testing';
+import { InjectionToken, type Provider } from 'injection-js';
+import { HTTP_BACKEND, provideHttpClient } from 'oidc-client-rx';
 
-export function provideHttpClientTesting() {
-  return {
-    provide: HttpFeatureKind.Backend,
-    useClass: HttpClientTestingBackend,
-  };
+export const HTTP_CLIENT_TEST_CONTROLLER =
+  new InjectionToken<HttpClientTestingBackend>('HTTP_CLIENT_TEST_CONTROLLER');
+
+export function provideHttpClientTesting(): Provider[] {
+  const backend = new HttpClientTestingBackend();
+  return [
+    {
+      provide: HTTP_CLIENT_TEST_CONTROLLER,
+      useValue: backend,
+    },
+    {
+      provide: HTTP_BACKEND,
+      useValue: backend,
+    },
+    ...provideHttpClient(),
+  ];
 }

src/testing/index.ts

@@ -6,4 +6,4 @@ export {
 } from './spy';
 export { createRetriableStream } from './create-retriable-stream.helper';
 export { MockRouter, mockRouterProvider } from './router';
-export { provideHttpClientTesting } from './http';
+export { provideHttpClientTesting, HTTP_CLIENT_TEST_CONTROLLER } from './http';