tests/test_fail.py

@@ -0,0 +1,18 @@
+from fastapi.testclient import TestClient
+from main import app
+
+client = TestClient(app)
+
+
+def test_failing_root():
+    # This will fail because of the wrong expected message
+    response = client.get("/")
+    assert response.status_code == 200
+    assert response.json() == {"message": "Wrong Message"}
+
+
+def test_failing_item():
+    # This will fail because of the missing field assertion
+    response = client.get("/items/99")
+    assert response.status_code == 200
+    assert "nonexistent_field" in response.json()

tests/test_success.py

@@ -1,16 +0,0 @@
-from fastapi.testclient import TestClient
-from main import app
-
-client = TestClient(app)
-
-
-def test_read_root():
-    response = client.get("/")
-    assert response.status_code == 200
-    assert response.json() == {"message": "Hello BackendIM"}
-
-
-def test_read_item():
-    response = client.get("/items/42")
-    assert response.status_code == 200
-    assert response.json() == {"item_id": 42, "message": "Item details"}