anchor.diff:            tested = true;
             MediaQuery.of(context); // should throw
             return Container();
  -        }
  -      )
  +        },
  +      ),
       );
       expect(tested, isTrue);
       expect(tester.takeException(), isFlutterError);
  
positive.code:                 builder: (BuildContext context) {
                    unpadded = MediaQuery.of(context);
                    return Container();
                  }
                ),
              );
            },
          ),
        )
      );
  
      expect(unpadded.size, size);
  
negative.code:                 builder: (BuildContext context) {
                    unpadded = MediaQuery.of(context);
                    return Container();
                  },
                ),
              );
            },
          ),
        ),
      );
  
      expect(unpadded.size, size);
  