- Do not attempt to run dart:io based tests in the browser.

pkg/pkg.status

Index: pkg/pkg.status
diff --git a/pkg/pkg.status b/pkg/pkg.status
index 4587fffec7f4c2b415cc3ddc9815c7c6617bc5dc..0d48659e38645d89ad161d4542415b958db033e8 100644
--- a/pkg/pkg.status
+++ b/pkg/pkg.status
@@ -147,6 +147,7 @@ analyzer2dart/*: SkipByDesign # Uses dart:io.
 http_server/test/*: Fail, OK # Uses dart:io.
 observe/test/transformer_test: Fail, OK # Uses dart:io.
 observe/test/unique_message_test: SkipByDesign  # Uses dart:io.
+dart_messages/test/dart_messages_test: Skip  # Uses dart:io.
 
 [ $runtime == vm && ($arch == simarm64 || $arch == simarm || $arch == simarmv5te || $arch == simmips || $arch == armv5te) ]
 # Timeout. These are not unit tests. They do not run efficiently on our