diff --git a/e2e/test_login.py b/e2e/test_login.py
index d49d8656..2bf47e5e 100644
--- a/e2e/test_login.py
+++ b/e2e/test_login.py
@@ -1,4 +1,9 @@
-from .utils import TEST_URL, assert_navbar, login_valid_user
+from .utils import (
+    TEST_URL,
+    assert_navbar,
+    login_valid_user,
+    register_valid_user_and_logout,
+)
 
 URL = f'{TEST_URL}/login'
 
@@ -31,11 +36,7 @@ class TestLogin:
         assert 'Forgot password?' in links[1].text
 
     def test_user_can_log_in(self, selenium):
-        user = {
-            'username': 'admin',
-            'email': 'admin@example.com',
-            'password': 'mpwoadmin',
-        }
+        user = register_valid_user_and_logout(selenium)
 
         login_valid_user(selenium, user)
 
diff --git a/e2e/test_registration.py b/e2e/test_registration.py
index 9db4ff86..3ef98b3c 100644
--- a/e2e/test_registration.py
+++ b/e2e/test_registration.py
@@ -4,6 +4,7 @@ from .utils import (
     random_string,
     register,
     register_valid_user,
+    register_valid_user_and_logout,
 )
 
 URL = f'{TEST_URL}/register'
@@ -57,30 +58,20 @@ class TestRegistration:
     def test_user_can_not_register_if_username_is_already_taken(
         self, selenium
     ):
-        user_name = random_string()
-        user_infos = {
-            'username': 'admin',
-            'email': f'{user_name}@example.com',
-            'password': 'p@ssw0rd',
-            'password_conf': 'p@ssw0rd',
-        }
+        user = register_valid_user_and_logout(selenium)
+        user['email'] = f'{random_string()}@example.com'
 
-        register(selenium, user_infos)
+        register(selenium, user)
 
         assert selenium.current_url == URL
         errors = selenium.find_element_by_class_name('error-message').text
         assert 'Sorry, that user already exists.' in errors
 
     def test_user_can_not_register_if_email_is_already_taken(self, selenium):
-        user_name = random_string()
-        user_infos = {
-            'username': user_name,
-            'email': 'admin@example.com',
-            'password': 'p@ssw0rd',
-            'password_conf': 'p@ssw0rd',
-        }
+        user = register_valid_user_and_logout(selenium)
+        user['username'] = random_string()
 
-        register(selenium, user_infos)
+        register(selenium, user)
 
         assert selenium.current_url == URL
         errors = selenium.find_element_by_class_name('error-message').text
diff --git a/e2e/utils.py b/e2e/utils.py
index 661ec3df..f8e379c0 100644
--- a/e2e/utils.py
+++ b/e2e/utils.py
@@ -54,6 +54,24 @@ def register_valid_user(selenium):
     return user
 
 
+def register_valid_user_and_logout(selenium):
+    user_name = random_string()
+    user = {
+        'username': user_name,
+        'email': f'{user_name}@example.com',
+        'password': 'p@ssw0rd',
+        'password_conf': 'p@ssw0rd',
+    }
+    register(selenium, user)
+    WebDriverWait(selenium, 15).until(EC.url_changes(f"{TEST_URL}/register"))
+
+    user_menu = selenium.find_element_by_class_name('nav-items-user-menu')
+    logout_link = user_menu.find_elements_by_class_name('nav-item')[2]
+    logout_link.click()
+    selenium.implicitly_wait(1)
+    return user
+
+
 def login_valid_user(selenium, user):
     login(selenium, user)
     WebDriverWait(selenium, 10).until(EC.url_changes(f"{TEST_URL}/login"))