feat: Implement admin user serializer test

packages/backend/src/graphql/schema.graphql

@@ -3,14 +3,6 @@ type Query {
 }
 type Mutation {
   createConnection(input: CreateConnectionInput): Connection
-<<<<<<< HEAD
-  createUser(input: CreateUserInput): UserWithAcceptInvitationUrl
-=======
-  createFlow(input: CreateFlowInput): Flow
-  deleteCurrentUser: Boolean
-  deleteFlow(input: DeleteFlowInput): Boolean
-  deleteStep(input: DeleteStepInput): Step
->>>>>>> 3aa20fed (chore: remove redundant create user mutation)
   executeFlow(input: ExecuteFlowInput): executeFlowType
   generateAuthUrl(input: GenerateAuthUrlInput): AuthLink
   resetConnection(input: ResetConnectionInput): Connection

packages/backend/src/serializers/admin/user.test.js

@@ -0,0 +1,19 @@
+import { describe, it, expect, beforeEach } from 'vitest';
+import { createUser } from '../../../test/factories/user';
+import adminUserSerializer from './user.js';
+
+describe('adminUserSerializer', () => {
+  let user;
+
+  beforeEach(async () => {
+    user = await createUser();
+  });
+
+  it('should return user data with accept invitation url', async () => {
+    const serializedUser = adminUserSerializer(user);
+
+    expect(serializedUser.acceptInvitationUrl).toEqual(
+      user.acceptInvitationUrl
+    );
+  });
+});