added a user system

sentence_api/tests/test_api.py

@@ -38,13 +38,20 @@ def make_client(tmp_path):
         legacy_boundaries_file=index_path,
     )
     settings.ensure_directories()
-    return TestClient(
+    client = TestClient(
         create_app(
             BoundaryStore(index_path),
             settings=settings,
             repository=VideoRepository(settings.database_path),
         )
     )
+    response = client.post(
+        "/api/v1/auth/register",
+        json={"username": "tester", "password": "password-123"},
+    )
+    assert response.status_code == 201, response.text
+    client.headers.update({"Authorization": f"Bearer {response.json()['token']}"})
+    return client
 
 
 def test_lookup_returns_boundaries(tmp_path):