added missing docstring

tests/unit/test_unit_genre.py

@@ -23,6 +23,7 @@ class TestUnitGenreRead:
     assert b'eGgS' in response.data
 
   def test_get_request_with_query(self, client):
+    """test GET request with query string"""
     response = client.get("/genre", query_string={"id": 1, "form_genre": "spam"})
     # assert good HTTP response
     assert response.status_code == 200
@@ -144,4 +145,3 @@ class TestUnitGenreDelete:
     """test a POST request"""
     response = client.post("/genre/delete/1")
     assert response.status_code == 405
-