Mark two tests as Pass, Slow
Mark two tests as Pass, Slow

R=whesse@google.com

Review URL: https://codereview.chromium.org//420193006

git-svn-id: a962b240025cf0577aa172e20f49ccb159ba6be1@38623 260f80e4-7a28-3924-810f-c04153c831b5

dart-lang/pub,computmaxer/pub,cjkao/dart-pub,dart-lang/pub,maxwellpeterson-wf/pub