diff --git a/app/javascript/dashboard/helper/specs/mitt.spec.js b/app/javascript/dashboard/helper/specs/mitt.spec.js
new file mode 100644
index 000000000..f8e4f93cd
--- /dev/null
+++ b/app/javascript/dashboard/helper/specs/mitt.spec.js
@@ -0,0 +1,13 @@
+import bus from '../mitt';
+
+describe('bus', () => {
+  it('should emit and receive events', () => {
+    const eventHandler = jest.fn();
+    bus.$on('myEvent', eventHandler);
+    bus.$emit('myEvent', 'Hello, World!');
+    expect(eventHandler).toHaveBeenCalledWith('Hello, World!');
+    bus.$off('myEvent', eventHandler);
+    bus.$emit('myEvent', 'Goodbye, World!');
+    expect(eventHandler).toHaveBeenCalledTimes(1);
+  });
+});