[Web] TextPainter invalid UTF-16 test doesn't work for web. #87544

00:02 +11 ~11 -1: TextPainter handles invalid UTF-16 [E]                                                                                                                                                                                                                                                          
  Expected: <20>
    Actual: <221>
  
  ../dart-sdk/lib/_internal/js_dev_runtime/private/ddc_runtime/errors.dart 251:49      throw_
  ../packages/test_api/src/expect/async_matcher.dart.js 164:22                         fail
  ../packages/test_api/src/expect/async_matcher.dart.js 159:12                         _expect
  ../packages/test_api/src/expect/async_matcher.dart.js 86:12                          expect$
  ../packages/flutter_test/src/deprecated.dart.js 7250:12                              expect$
  text_painter_test.dart.js 2589:21                                                    <fn>