tests (e2e): new fixture to share data between tests:

this is usefull in some edge cases when tests are dependents of each other.

tests/e2e/conftest.py

@@ -235,3 +235,9 @@ def sent_emails(fake_smtp):
     """Catch email sent during the tests"""
     SMTPMessageHandler.messages.clear()
     return SMTPMessageHandler.messages
+
+
+@pytest.fixture(scope="class")
+def shared_data():
+    """A dictionary used for share data between dependent tests"""
+    return {}