Set some save button progress bar and toast message

lib/providers/test_results.dart

@@ -312,7 +312,7 @@ class TestResultsProvider with ChangeNotifier {
       catchImages = [];
       return 'done';
     } else {
-      return 'error';
+      return 'error ${response.statusCode}';
     }
     // var response = await http
     //     .post(Url.createTestResult, body: json.encode(values), headers: {