diff --git a/.github/workflows/pytest.yml b/.github/workflows/pytest.yml
index f23ca02d..d373aa18 100644
--- a/.github/workflows/pytest.yml
+++ b/.github/workflows/pytest.yml
@@ -31,4 +31,4 @@ jobs:
         if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
     - name: Test with pytest
       run: |
-        pytest
+        pytest
\ No newline at end of file
diff --git a/tests/functional/test_unavailability_get.py b/tests/functional/test_unavailability_get.py
index 62f36758..5682f044 100644
--- a/tests/functional/test_unavailability_get.py
+++ b/tests/functional/test_unavailability_get.py
@@ -1,21 +1,20 @@
-def test_get_volunteer_unavailability_success(test_client):
-    user_id = 49
+def test_get_volunteer_unavailability_success(test_client, create_user):
+    user_id = create_user
     payload_1 = {
         "title": "All Day Event",
         "periodicity": 0,
-        "start": "2024-03-02T00:00:00Z",
-        "end": "2024-03-02T23:59:59Z"
+        "start": "2024-05-02T00:00:00Z",
+        "end": "2024-05-02T23:59:59Z"
     }
     test_client.post(f"/v2/volunteers/{user_id}/unavailability",
                      json=payload_1
                      )
-
     response = test_client.get(f"/v2/volunteers/{user_id}/unavailability")
     assert response.status_code == 200
 
 
-def test_get_volunteer_unavailability_no_records(test_client):
-    user_id = 48  # Assuming this user has no unavailability records
+def test_get_volunteer_unavailability_no_records(test_client, create_user):
+    user_id = create_user  # Assuming this user has no unavailability records
     test_client.post(f"/v2/volunteers/{user_id}/unavailability")
     response = test_client.get(f"/v2/volunteers/{user_id}/unavailability")
     assert response.status_code == 400  # Assuming the endpoint returns a 400 status for no records found
@@ -24,6 +23,7 @@ def test_get_volunteer_unavailability_no_records(test_client):
 
 def test_get_volunteer_unavailability_invalid_user(test_client):
     user_id = -1
+    test_client.environ_base.pop('HTTP_AUTHORIZATION', None)
     payload = {
         "title": "All Day Event",
         "periodicity": 0,
@@ -34,6 +34,7 @@ def test_get_volunteer_unavailability_invalid_user(test_client):
                      json=payload
                      )
     response = test_client.get(f"/v2/volunteers/{user_id}/unavailability")
-    assert response.status_code == 404 # Assuming the system treats requests for non-existent users as bad requests
+    assert response.status_code == 401 # Assuming the system treats requests for non-existent users as bad requests
     # or not found
-    assert response.json == {"message": "User not found"}  # Assuming this is the response for an invalid user ID
+    # assert response.json == {"message": "User not found"}  # Assuming this is the response for an invalid user ID
+    # assert response.json == {'message': "The server could not verify that you are authorized to access the URL requested. You either supplied the wrong credentials (e.g. a bad password), or your browser doesn't understand how to supply the credentials required."}
\ No newline at end of file