Fix some typos

tools/run_tests/performance/bq_upload_result.py

@@ -120,7 +120,7 @@ def _flatten_result_inplace(scenario_result):
   scenario_result['serverCores'] = json.dumps(scenario_result['serverCores'])
   scenario_result['clientSuccess'] = json.dumps(scenario_result['clientSuccess'])
   scenario_result['serverSuccess'] = json.dumps(scenario_result['serverSuccess'])
-  scenario_result['requestResults'] = json.dumps(scenario_result['requestResults'])
+  scenario_result['requestResults'] = json.dumps(scenario_result.get('requestResults', []))
 
 
 def _populate_metadata_inplace(scenario_result):

tools/run_tests/performance/scenario_result_schema.json

@@ -210,7 +210,7 @@
     "mode": "NULLABLE"
   },
   {
-    "name": "request_results",
+    "name": "requestResults",
     "type": "STRING",
     "mode": "NULLABLE"
   }