diff --git a/lib/__tests__/account.jest.js b/lib/__tests__/account.jest.js
index c33a4c8..e4fb746 100644
--- a/lib/__tests__/account.jest.js
+++ b/lib/__tests__/account.jest.js
@@ -1,7 +1,14 @@
-const account = require('../account');
+const { isMyPost } = require('../account');
 
 import 'node-fetch';
 
 jest.mock('node-fetch', () => jest.fn());
 
-test('Check if a post is my post', () => {});
+test('Check if a post is my post', () => {
+  const { DOMAIN } = process.env;
+  const activity = {
+    id: `https://${DOMAIN}/m/`
+  };
+
+  expect(isMyPost(activity)).toBe(true);
+});