diff --git a/packages/backend/src/index.test.ts b/packages/backend/src/index.test.ts
index b1c4c35..b7e0b8e 100644
--- a/packages/backend/src/index.test.ts
+++ b/packages/backend/src/index.test.ts
@@ -1,13 +1,11 @@
 import { PluginEnvironment } from './types';
 import { resolverResult } from './plugins/plugins_helper/googleAuthResolver';
-import {
-  AuthResolverCatalogUserQuery,
-  AuthResolverContext,
-  ProfileInfo,
-  SignInInfo,
-} from '@backstage/plugin-auth-node';
 import { TokenParams } from '@backstage/plugin-auth-backend';
 
+let mockProfile: any;
+let mockSignInInfo: any;
+let mockContext: any;
+
 describe('test', () => {
   it('unbreaks the test runner', () => {
     const unbreaker = {} as PluginEnvironment;
@@ -16,31 +14,21 @@ describe('test', () => {
 });
 
 describe('providers.google.create.signIn.resolver logic', () => {
-  const mockProfile: ProfileInfo = {
-    email: 'test.example.com',
-    displayName: 'John Doe',
-    picture: 'https://example.com/avatar.jpg',
-  };
-
-  const mockSignInInfo: SignInInfo<any> = {
-    profile: mockProfile,
-    result: {}, // Placeholder for the authentication result
-  };
-
-  const mockContext: AuthResolverContext = {
-    issueToken: (params: TokenParams) => {
-      // Mock implementation for issueToken method
-      return { token: params.claims.sub + params.claims.ent };
-    },
-    findCatalogUser: (query: AuthResolverCatalogUserQuery) => {
-      // Mock implementation for findCatalogUser method
-      return '';
-    },
-    signInWithCatalogUser: (query: AuthResolverCatalogUserQuery) => {
-      // Mock implementation for signInWithCatalogUser method
-      return '';
-    },
-  };
+  beforeEach(() => {
+    mockProfile = {
+      displayName: 'John Doe',
+      picture: 'https://example.com/avatar.jpg',
+    };
+    mockSignInInfo = { profile: mockProfile, result: {} };
+    mockContext = {
+      issueToken: (params: TokenParams) => {
+        // Mock implementation for issueToken method
+        return { token: params.claims.sub + params.claims.ent };
+      },
+      findCatalogUser: jest.fn(),
+      signInWithCatalogUser: jest.fn(),
+    };
+  });
 
   it('should throw an exception for empty email address', async () => {
     mockProfile.email = '';