diff --git a/conda-store-server/tests/_internal/server/views/test_api.py b/conda-store-server/tests/_internal/server/views/test_api.py
index 8ab794403..a52ed48ba 100644
--- a/conda-store-server/tests/_internal/server/views/test_api.py
+++ b/conda-store-server/tests/_internal/server/views/test_api.py
@@ -846,7 +846,7 @@ def test_delete_build_unauth(testclient, seed_conda_store):
     assert r.status == schema.APIStatus.ERROR
 
 
-def test_delete_build_auth(testclient, seed_conda_store, authenticate, celery_worker):
+def test_delete_build_auth_queued_build(testclient, seed_conda_store, authenticate, celery_worker):
     build_id = 4
 
     response = testclient.put(f"api/v1/build/{build_id}")
@@ -866,14 +866,32 @@ def test_delete_build_auth(testclient, seed_conda_store, authenticate, celery_wo
     response = testclient.delete(f"api/v1/build/{new_build_id}")
     assert response.status_code == 400
 
-    # r = schema.APIAckResponse.model_validate(response.json())
-    # assert r.status == schema.APIStatus.OK
 
-    # response = testclient.get(f'api/v1/build/{new_build_id}')
-    # assert response.status_code == 404
+def test_delete_build_auth_completed_build(testclient, seed_conda_store, authenticate, celery_worker):
+    new_build_id = 4
 
-    # r = schema.APIResponse.model_validate(response.json())
-    # assert r.status == schema.APIStatus.ERROR
+    # ensure the build exists - seed_conda_store should create a build
+    # with id 4 that is in the "completed" state
+    response = testclient.get(f"api/v1/build/{new_build_id}")
+    response.raise_for_status()
+    response_json = response.json()
+    r = schema.APIGetBuild.model_validate(response_json)
+    assert r.status == schema.APIStatus.OK
+    build_data = response_json.get("data")
+    assert build_data.get("deleted_on") is None
+
+    # delete the build
+    response = testclient.delete(f"api/v1/build/{new_build_id}")
+    assert response.status_code == 200
+
+    # check to make sure the build has been deleted
+    response = testclient.get(f"api/v1/build/{new_build_id}")
+    response.raise_for_status()
+    response_json = response.json()
+    r = schema.APIGetBuild.model_validate(response_json)
+    assert r.status == schema.APIStatus.OK
+    build_data = response_json.get("data")
+    assert build_data.get("deleted_on") is not None
 
 
 @pytest.mark.parametrize(