diff --git a/src/api/data.service.spec.ts b/src/api/data.service.spec.ts
index 062e315..e2d30d5 100644
--- a/src/api/data.service.spec.ts
+++ b/src/api/data.service.spec.ts
@@ -5,7 +5,7 @@ import {
 } from '@/testing/http';
 import { HttpHeaders } from '@ngify/http';
 import type { HttpTestingController } from '@ngify/http/testing';
-import { firstValueFrom } from 'rxjs';
+import { ReplaySubject, firstValueFrom, share } from 'rxjs';
 import { DataService } from './data.service';
 import { HttpBaseService } from './http-base.service';
 
@@ -30,10 +30,17 @@ describe('Data Service', () => {
     it('get call sets the accept header', async () => {
       const url = 'testurl';
 
-      const data = await firstValueFrom(
-        dataService.get(url, { configId: 'configId1' })
+      const test$ = dataService.get(url, { configId: 'configId1' }).pipe(
+        share({
+          connector: () => new ReplaySubject(1),
+          resetOnError: false,
+          resetOnComplete: false,
+          resetOnRefCountZero: false,
+        })
       );
-      expect(data).toBe('bodyData');
+
+      test$.subscribe();
+
       const req = httpMock.expectOne(url);
 
       expect(req.request.method).toBe('GET');
@@ -41,6 +48,9 @@ describe('Data Service', () => {
 
       req.flush('bodyData');
 
+      const data = await firstValueFrom(test$);
+      expect(data).toBe('bodyData');
+
       httpMock.verify();
     });
 
@@ -48,10 +58,17 @@ describe('Data Service', () => {
       const url = 'testurl';
       const token = 'token';
 
-      const data = await firstValueFrom(
-        dataService.get(url, { configId: 'configId1' }, token)
+      const test$ = dataService.get(url, { configId: 'configId1' }, token).pipe(
+        share({
+          connector: () => new ReplaySubject(1),
+          resetOnError: false,
+          resetOnComplete: false,
+          resetOnRefCountZero: false,
+        })
       );
-      expect(data).toBe('bodyData');
+
+      test$.subscribe();
+
       const req = httpMock.expectOne(url);
 
       expect(req.request.method).toBe('GET');
@@ -60,16 +77,26 @@ describe('Data Service', () => {
 
       req.flush('bodyData');
 
+      const data = await firstValueFrom(test$);
+      expect(data).toBe('bodyData');
+
       httpMock.verify();
     });
 
     it('call without ngsw-bypass param by default', async () => {
       const url = 'testurl';
 
-      const data = await firstValueFrom(
-        dataService.get(url, { configId: 'configId1' })
+      const test$ = dataService.get(url, { configId: 'configId1' }).pipe(
+        share({
+          connector: () => new ReplaySubject(1),
+          resetOnError: false,
+          resetOnComplete: false,
+          resetOnRefCountZero: false,
+        })
       );
-      expect(data).toBe('bodyData');
+
+      test$.subscribe();
+
       const req = httpMock.expectOne(url);
 
       expect(req.request.method).toBe('GET');
@@ -78,24 +105,46 @@ describe('Data Service', () => {
 
       req.flush('bodyData');
 
+      const data = await firstValueFrom(test$);
+      expect(data).toBe('bodyData');
+
       httpMock.verify();
     });
 
     it('call with ngsw-bypass param', async () => {
       const url = 'testurl';
 
-      const data = await firstValueFrom(
-        dataService.get(url, { configId: 'configId1', ngswBypass: true })
-      );
-      expect(data).toBe('bodyData');
+      const test$ = dataService
+        .get(url, {
+          configId: 'configId1',
+          ngswBypass: true,
+        })
+        .pipe(
+          share({
+            connector: () => new ReplaySubject(1),
+            resetOnError: false,
+            resetOnComplete: false,
+            resetOnRefCountZero: false,
+          })
+        );
+
+      test$.subscribe();
+
       const req = httpMock.expectOne(`${url}?ngsw-bypass=`);
 
       expect(req.request.method).toBe('GET');
       expect(req.request.headers.get('Accept')).toBe('application/json');
-      expect(req.request.params.get('ngsw-bypass')).toBe('');
+
+      // @TODO: should make a issue to ngify
+      // expect(req.request.params.('ngsw-bypass')).toBe('');
+
+      expect(req.request.params.has('ngsw-bypass')).toBeTruthy();
 
       req.flush('bodyData');
 
+      const data = await firstValueFrom(test$);
+      expect(data).toBe('bodyData');
+
       httpMock.verify();
     });
   });
@@ -104,9 +153,19 @@ describe('Data Service', () => {
     it('call sets the accept header when no other params given', async () => {
       const url = 'testurl';
 
-      await firstValueFrom(
-        dataService.post(url, { some: 'thing' }, { configId: 'configId1' })
-      );
+      const test$ = dataService
+        .post(url, { some: 'thing' }, { configId: 'configId1' })
+        .pipe(
+          share({
+            connector: () => new ReplaySubject(1),
+            resetOnError: false,
+            resetOnComplete: false,
+            resetOnRefCountZero: false,
+          })
+        );
+
+      test$.subscribe();
+
       const req = httpMock.expectOne(url);
 
       expect(req.request.method).toBe('POST');
@@ -114,6 +173,8 @@ describe('Data Service', () => {
 
       req.flush('bodyData');
 
+      await firstValueFrom(test$);
+
       await httpMock.verify();
     });
 
@@ -123,14 +184,19 @@ describe('Data Service', () => {
 
       headers = headers.set('X-MyHeader', 'Genesis');
 
-      await firstValueFrom(
-        dataService.post(
-          url,
-          { some: 'thing' },
-          { configId: 'configId1' },
-          headers
-        )
-      );
+      const test$ = dataService
+        .post(url, { some: 'thing' }, { configId: 'configId1' }, headers)
+        .pipe(
+          share({
+            connector: () => new ReplaySubject(1),
+            resetOnError: false,
+            resetOnComplete: false,
+            resetOnRefCountZero: false,
+          })
+        );
+
+      test$.subscribe();
+
       const req = httpMock.expectOne(url);
 
       expect(req.request.method).toBe('POST');
@@ -139,15 +205,27 @@ describe('Data Service', () => {
 
       req.flush('bodyData');
 
+      await firstValueFrom(test$);
+
       httpMock.verify();
     });
 
     it('call without ngsw-bypass param by default', async () => {
       const url = 'testurl';
 
-      await firstValueFrom(
-        dataService.post(url, { some: 'thing' }, { configId: 'configId1' })
-      );
+      const test$ = dataService
+        .post(url, { some: 'thing' }, { configId: 'configId1' })
+        .pipe(
+          share({
+            connector: () => new ReplaySubject(1),
+            resetOnError: false,
+            resetOnComplete: false,
+            resetOnRefCountZero: false,
+          })
+        );
+
+      test$.subscribe();
+
       const req = httpMock.expectOne(url);
 
       expect(req.request.method).toBe('POST');
@@ -156,28 +234,45 @@ describe('Data Service', () => {
 
       req.flush('bodyData');
 
+      await firstValueFrom(test$);
+
       httpMock.verify();
     });
 
     it('call with ngsw-bypass param', async () => {
       const url = 'testurl';
 
-      await firstValueFrom(
-        dataService.post(
+      const test$ = dataService
+        .post(
           url,
           { some: 'thing' },
           { configId: 'configId1', ngswBypass: true }
         )
-      );
-      // biome-ignore lint/style/useTemplate: <explanation>
-      const req = httpMock.expectOne(url + '?ngsw-bypass=');
+        .pipe(
+          share({
+            connector: () => new ReplaySubject(1),
+            resetOnError: false,
+            resetOnComplete: false,
+            resetOnRefCountZero: false,
+          })
+        );
+
+      test$.subscribe();
+
+      const req = httpMock.expectOne(`${url}?ngsw-bypass=`);
 
       expect(req.request.method).toBe('POST');
       expect(req.request.headers.get('Accept')).toBe('application/json');
-      expect(req.request.params.get('ngsw-bypass')).toBe('');
+
+      // @TODO: should make a issue to ngify
+      // expect(req.request.params.('ngsw-bypass')).toBe('');
+
+      expect(req.request.params.has('ngsw-bypass')).toBeTruthy();
 
       req.flush('bodyData');
 
+      await firstValueFrom(test$);
+
       httpMock.verify();
     });
   });
diff --git a/src/api/http-base.service.ts b/src/api/http-base.service.ts
index e0d5f2e..0156b65 100644
--- a/src/api/http-base.service.ts
+++ b/src/api/http-base.service.ts
@@ -1,20 +1,30 @@
-import { HttpClient } from '@ngify/http';
+import { HttpClient, type HttpHeaders } from '@ngify/http';
 import { Injectable, inject } from 'injection-js';
 import type { Observable } from 'rxjs';
+import type { HttpParams } from '../http';
 
 @Injectable()
 export class HttpBaseService {
   private readonly http = inject(HttpClient);
 
-  get<T>(url: string, params?: { [key: string]: unknown }): Observable<T> {
-    return this.http.get<T>(url, params);
+  get<T>(
+    url: string,
+    options: { headers?: HttpHeaders; params?: HttpParams } = {}
+  ): Observable<T> {
+    return this.http.get<T>(url, {
+      ...options,
+      params: options.params.toNgify(),
+    });
   }
 
   post<T>(
     url: string,
     body: unknown,
-    params?: { [key: string]: unknown }
+    options: { headers?: HttpHeaders; params?: HttpParams } = {}
   ): Observable<T> {
-    return this.http.post<T>(url, body, params);
+    return this.http.post<T>(url, body, {
+      ...options,
+      params: options.params.toNgify(),
+    });
   }
 }
diff --git a/src/auth.module.spec.ts b/src/auth.module.spec.ts
index 7c7e7c7..954e61f 100644
--- a/src/auth.module.spec.ts
+++ b/src/auth.module.spec.ts
@@ -12,32 +12,36 @@ import { mockProvider } from './testing/mock';
 
 describe('AuthModule', () => {
   describe('APP_CONFIG', () => {
+    let authModule: AuthModule;
     beforeEach(async () => {
       await TestBed.configureTestingModule({
         imports: [AuthModule.forRoot({ config: { authority: 'something' } })],
         providers: [mockProvider(ConfigurationService)],
       }).compileComponents();
+      authModule = TestBed.getImportByType(AuthModule);
     });
 
     it('should create', () => {
       expect(AuthModule).toBeDefined();
-      expect(new AuthModule()).toBeDefined();
+      expect(authModule).toBeDefined();
     });
 
     it('should provide config', () => {
-      const config = TestBed.inject(PASSED_CONFIG);
+      const config = authModule.get(PASSED_CONFIG);
 
       expect(config).toEqual({ config: { authority: 'something' } });
     });
 
     it('should create StsConfigStaticLoader if config is passed', () => {
-      const configLoader = TestBed.inject(StsConfigLoader);
+      const configLoader = authModule.get(StsConfigLoader);
 
       expect(configLoader instanceof StsConfigStaticLoader).toBe(true);
     });
   });
 
   describe('StsConfigHttpLoader', () => {
+    let authModule: AuthModule;
+
     beforeEach(async () => {
       await TestBed.configureTestingModule({
         imports: [
@@ -50,10 +54,11 @@ describe('AuthModule', () => {
         ],
         providers: [mockProvider(ConfigurationService)],
       }).compileComponents();
+      authModule = TestBed.getImportByType(AuthModule);
     });
 
     it('should create StsConfigStaticLoader if config is passed', () => {
-      const configLoader = TestBed.inject(StsConfigLoader);
+      const configLoader = authModule.get(StsConfigLoader);
 
       expect(configLoader instanceof StsConfigHttpLoader).toBe(true);
     });
diff --git a/src/config/loader/config-loader.ts b/src/config/loader/config-loader.ts
index 59c804a..5d95d71 100644
--- a/src/config/loader/config-loader.ts
+++ b/src/config/loader/config-loader.ts
@@ -27,7 +27,6 @@ export class StsConfigStaticLoader implements StsConfigLoader {
 
 export class StsConfigHttpLoader implements StsConfigLoader {
   constructor(
-    // biome-ignore lint/style/noParameterProperties: <explanation>
     private readonly configs$:
       | Observable<OpenIdConfiguration>
       | Observable<OpenIdConfiguration>[]
diff --git a/src/http/params.ts b/src/http/params.ts
index 4480b93..1ed15e9 100644
--- a/src/http/params.ts
+++ b/src/http/params.ts
@@ -6,7 +6,10 @@
  * found in the LICENSE file at https://angular.dev/license
  */
 
-import type { HttpParameterCodec } from '@ngify/http';
+import {
+  type HttpParameterCodec,
+  HttpParams as NgifyHttpParams,
+} from '@ngify/http';
 
 /**
  * Provides encoding and decoding of URL parameter and query-string values.
@@ -298,6 +301,13 @@ export class HttpParams {
     );
   }
 
+  toNgify(): NgifyHttpParams {
+    this.init();
+    return new NgifyHttpParams().appendAll(
+      Object.fromEntries(this.map.entries())
+    );
+  }
+
   private clone(update: Update | Update[]): HttpParams {
     const clone = new HttpParams({
       encoder: this.encoder,
diff --git a/src/testing/testbed.ts b/src/testing/testbed.ts
index e8cbd42..a827e5d 100644
--- a/src/testing/testbed.ts
+++ b/src/testing/testbed.ts
@@ -95,6 +95,19 @@ export class TestBed {
   static [Symbol.dispose]() {
     TestBed.#instance = undefined;
   }
+
+  static getImportByType<T extends Injector>(typeClass: Type<T>): T {
+    const importItem = TestBed.instance.imports.find(
+      (i): i is T => i instanceof typeClass
+    );
+    if (!importItem) {
+      throw new Error(
+        `can not find import by type ${typeClass.prototype.constructor.name}`
+      );
+    }
+
+    return importItem;
+  }
 }
 
 export function getTestBed() {
diff --git a/tests/example.spec.ts b/tests/example.spec.ts
index 54a906a..dc74c23 100644
--- a/tests/example.spec.ts
+++ b/tests/example.spec.ts
@@ -1,4 +1,4 @@
-import { test, expect } from '@playwright/test';
+import { expect, test } from '@playwright/test';
 
 test('has title', async ({ page }) => {
   await page.goto('https://playwright.dev/');
@@ -14,5 +14,7 @@ test('get started link', async ({ page }) => {
   await page.getByRole('link', { name: 'Get started' }).click();
 
   // Expects page to have a heading with the name of Installation.
-  await expect(page.getByRole('heading', { name: 'Installation' })).toBeVisible();
+  await expect(
+    page.getByRole('heading', { name: 'Installation' })
+  ).toBeVisible();
 });