diff --git a/__mocks__/__tests__/gatsby-plugin-firebase.test.js b/__mocks__/__tests__/gatsby-plugin-firebase.test.js
index 09602da6..074b4988 100644
--- a/__mocks__/__tests__/gatsby-plugin-firebase.test.js
+++ b/__mocks__/__tests__/gatsby-plugin-firebase.test.js
@@ -118,7 +118,7 @@ describe('database', () => {
 });
 
 describe('auth', () => {
-  beforeEach(() => {
+  afterEach(() => {
     FirebaseStub.auth().clearOnAuthStateChangedObservers();
   });