diff --git a/tests/e2e/auth/auth.e2e.js b/tests/e2e/auth/auth.e2e.js
index 47298e4c..87675cdf 100644
--- a/tests/e2e/auth/auth.e2e.js
+++ b/tests/e2e/auth/auth.e2e.js
@@ -2,7 +2,7 @@ describe('auth()', () => {
   beforeEach(async () => {
     if (firebase.auth().currentUser) {
       await firebase.auth().signOut();
-      await sleep(25);
+      await sleep(50);
     }
   });
 
diff --git a/tests/e2e/auth/emailLink.e2e.js b/tests/e2e/auth/emailLink.e2e.js
index 7b4980b3..294cc76b 100644
--- a/tests/e2e/auth/emailLink.e2e.js
+++ b/tests/e2e/auth/emailLink.e2e.js
@@ -1,4 +1,11 @@
 describe('auth() -> emailLink Provider', () => {
+  beforeEach(async () => {
+    if (firebase.auth().currentUser) {
+      await firebase.auth().signOut();
+      await sleep(50);
+    }
+  });
+
   describe('sendSignInLinkToEmail', () => {
     it('should send email', async () => {
       const random = randomString(12, '#aA');
diff --git a/tests/e2e/auth/provider.e2e.js b/tests/e2e/auth/provider.e2e.js
index d98b2e6a..f8c6bd16 100644
--- a/tests/e2e/auth/provider.e2e.js
+++ b/tests/e2e/auth/provider.e2e.js
@@ -1,4 +1,11 @@
 describe('auth() -> Providers', () => {
+  beforeEach(async () => {
+    if (firebase.auth().currentUser) {
+      await firebase.auth().signOut();
+      await sleep(50);
+    }
+  });
+
   describe('EmailAuthProvider', () => {
     describe('constructor', () => {
       it('should throw an unsupported error', () => {
diff --git a/tests/e2e/auth/user.e2e.js b/tests/e2e/auth/user.e2e.js
index 3ff39919..4af59efb 100644
--- a/tests/e2e/auth/user.e2e.js
+++ b/tests/e2e/auth/user.e2e.js
@@ -1,4 +1,11 @@
 describe('auth().currentUser', () => {
+  beforeEach(async () => {
+    if (firebase.auth().currentUser) {
+      await firebase.auth().signOut();
+      await sleep(50);
+    }
+  });
+
   describe('getIdToken()', () => {
     it('should return a token', async () => {
       const random = randomString(12, '#aA');