Clean up testfunctions.ipynb by removing redundant code

Removed outdated and unused code snippets from testfunctions.ipynb to streamline the notebook. This improves readability and reduces clutter, ensuring the file contains only relevant and functional code samples.

backend/tests/test_contact.py

@@ -4,9 +4,21 @@ from backend.main import app
 client = TestClient(app)
 
 
-def test_create_contact_success():
+def authenticate(client):
     response = client.post(
-        "/contact",
+        "/auth/login", json={"username": "testuser", "password": "testpassword"}
+    )
+    assert response.status_code == 200
+    return response.json()["access_token"]
+
+
+def test_create_contact_success():
+    token = authenticate(client)
+    headers = {"Authorization": f"Bearer {token}"}
+
+    response = client.post(
+        "/protected/contacts",
+        headers=headers,
         json={
             "pgroups": "p20001",
             "firstname": "John",
@@ -15,7 +27,6 @@ def test_create_contact_success():
             "phone_number": "+000000000",
         },
     )
-    # Assert success and verify response structure
     assert response.status_code == 201
     json_response = response.json()
     assert json_response["firstname"] == "John"
@@ -23,6 +34,22 @@ def test_create_contact_success():
     assert json_response["email"] == "john.rambo@example.com"
 
 
+def test_create_contact_unauthorized():
+    # Omit Authorization header to simulate unauthorized access
+    response = client.post(
+        "/protected/contacts",
+        json={
+            "pgroups": "p20001",
+            "firstname": "John",
+            "lastname": "Rambo",
+            "email": "john.rambo@example.com",
+            "phone_number": "+000000000",
+        },
+    )
+    assert response.status_code == 401
+    assert response.json()["detail"] == "Not authenticated"
+
+
 def test_create_contact_already_exists():
     # Ensure that the route fails gracefully if contact exists
     client.post(