We should start each test from a clean state, so that there is never a dependency on test order. Most of the time, tests clean up after themselves, and they should continue doing this so that they could be run from a browser. But it's been too often that leaking cookies caused test flakiness, it's time to stop that for good.
Created attachment 241221 [details] proposed fix
Comment on attachment 241221 [details] proposed fix Clearing flags on attachment: 241221 Committed r175783: <http://trac.webkit.org/changeset/175783>
All reviewed patches have been landed. Closing bug.