add query bq testing function

app.py

@@ -140,11 +140,15 @@ with gr.Blocks(theme=seafoam, css=css) as demo:
         f'WHERE user_id = {user_id}'
         )
         query_job = client.query(QUERY)
+        print('Running query')
         query_result = query_job.result()
+        print('Query complete')
         df = query_result.to_dataframe()
+        print('Convert to dataframe')
         # Select a subset of columns
         df = df[["created_at", "points", "user_role", "joined", "developer"]]
         # Convert numeric columns to standard numpy types
+        print('Convert to numpy')
         df = df.astype({"points": np.int64})
         return df