Fix test setup for backend

tests/test_users.py

@@ -0,0 +1,25 @@
+import sys
+
+import pytest
+from fastapi.testclient import TestClient
+
+sys.path.append("..")
+
+from src.main import app, get_db
+from tests.config.database import override_get_db
+
+app.dependency_overrides[get_db] = override_get_db
+
+client = TestClient(app)
+
+
+@pytest.mark.asyncio
+async def test_add_user():
+    response = client.post(
+        "/register",
+        headers={"Content-Type": "application/json"},
+        json={"username": "user27", "password": "mettn", "avatar": "lion"},
+    )
+
+    print(response)
+    assert response.status_code == 200