add pytest case

backend/app/tests/test_user.py

@@ -0,0 +1,22 @@
+
+def test_users_list(test_client,test_user,test_admin):
+    response = test_client.post("/api/token", data={"username": test_user["email"], "password": test_user["password"]})
+    assert "access_token" in response.json()
+    user_token =response.json()["access_token"]
+
+    response = test_client.post("/api/token", data={"username": test_admin["email"], "password": test_admin["password"]})
+    assert "access_token" in response.json()
+    admin_token =response.json()["access_token"]
+
+    response = test_client.get("/api/v1/users", headers={"Authorization": "Bearer " + user_token})
+    assert response.status_code == 200
+    data = response.json()
+    assert len(data["data"]) == 1 
+    
+    response = test_client.get("/api/v1/users", headers={"Authorization": "Bearer " + admin_token})
+    assert response.status_code == 200
+    data = response.json()
+    assert len(data["data"]) == 2  
+
+
+