Run mime-multipart test in 'test' callback.

BUG=

Review URL: https://codereview.chromium.org//19158004

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart/pkg/mime@24993 260f80e4-7a28-3924-810f-c04153c831b5
1 file changed
tree: 7f26223e2f7c78d56c6cae85be7a1c394c8b5a62
  1. lib/
  2. test/
  3. pubspec.yaml