diff --git a/packages/integration-tests/src/client/index.ts b/packages/integration-tests/src/client/index.ts
index b7f62f99e..7fa11e728 100644
--- a/packages/integration-tests/src/client/index.ts
+++ b/packages/integration-tests/src/client/index.ts
@@ -83,6 +83,10 @@ export default class MockClient {
     await this.consent();
   }
 
+  public async getAccessToken(resource?: string) {
+    return this.logto.getAccessToken(resource);
+  }
+
   public get isAuthenticated() {
     return this.logto.isAuthenticated;
   }
diff --git a/packages/integration-tests/src/helpers.ts b/packages/integration-tests/src/helpers.ts
index f77a45600..e30e85fe9 100644
--- a/packages/integration-tests/src/helpers.ts
+++ b/packages/integration-tests/src/helpers.ts
@@ -31,10 +31,6 @@ export const registerNewUser = async (username: string, password: string) => {
 
   assert(client.interactionCookie, new Error('Session not found'));
 
-  if (!client.interactionCookie) {
-    return;
-  }
-
   const { redirectTo } = await registerUserWithUsernameAndPassword(
     username,
     password,
@@ -52,10 +48,6 @@ export const signIn = async (username: string, password: string) => {
 
   assert(client.interactionCookie, new Error('Session not found'));
 
-  if (!client.interactionCookie) {
-    return;
-  }
-
   const { redirectTo } = await signInWithUsernameAndPassword(
     username,
     password,
diff --git a/packages/integration-tests/tests/get-access-token.test.ts b/packages/integration-tests/tests/get-access-token.test.ts
new file mode 100644
index 000000000..94e10e720
--- /dev/null
+++ b/packages/integration-tests/tests/get-access-token.test.ts
@@ -0,0 +1,39 @@
+import { managementResource } from '@logto/schemas/lib/seeds';
+import { assert } from '@silverhand/essentials';
+
+import { signInWithUsernameAndPassword } from '@/api';
+import MockClient from '@/client';
+import { createUserByAdmin } from '@/helpers';
+import { generateUsername, generatePassword } from '@/utils';
+
+describe('get access token', () => {
+  const username = generateUsername();
+  const password = generatePassword();
+
+  beforeAll(async () => {
+    await createUserByAdmin(username, password);
+  });
+
+  it('sign-in and getAccessToken', async () => {
+    const client = new MockClient({ resources: [managementResource.indicator] });
+    await client.initSession();
+    assert(client.interactionCookie, new Error('Session not found'));
+
+    const { redirectTo } = await signInWithUsernameAndPassword(
+      username,
+      password,
+      client.interactionCookie
+    );
+
+    await client.processSession(redirectTo);
+
+    assert(client.isAuthenticated, new Error('Sign in get get access token failed'));
+
+    const accessToken = await client.getAccessToken(managementResource.indicator);
+
+    expect(accessToken).not.toBeNull();
+
+    // Request for invalid resource should throw
+    void expect(client.getAccessToken('api.foo.com')).rejects.toThrow();
+  });
+});