fix(postgres): randomize test_reader username to prevent CI collisions

Signed-off-by: sakshipatil-hue <sakshipatil8674788@gmail.com>

Author: sakshipatil-hue

tests/core/engine_adapter/integration/test_integration_postgres.py

@@ -47,16 +47,16 @@ def create_users(
     roles = {}
 
     try:
+        for role_name in role_names:
+            user_name = f"test_{role_name}"
+            _cleanup_user(engine_adapter, user_name)
+
         for role_name in role_names:
             random_suffix = uuid.uuid4().hex[:6]
             user_name = f"test_{role_name}_{random_suffix}"
-
             password = random_id()
-            engine_adapter.execute(
-                f"CREATE USER \"{user_name}\" WITH PASSWORD '{password}'"
-            )
+            engine_adapter.execute(f"CREATE USER \"{user_name}\" WITH PASSWORD '{password}'")
             engine_adapter.execute(f'GRANT USAGE ON SCHEMA public TO "{user_name}"')
-
             created_users.append(user_name)
             roles[role_name] = {"username": user_name, "password": password}
         yield roles