Two tests are failing. These are false positives that
obscure real failures. Both are removed for the following reason.
1) Editor test is covered by the redirect tests - failing due to
concurrent edits (possibly because multiple browser tests act on the same
page at the same time). However, editing is already covered by the other
2 cases.
2) Remove unwatch test - this is failing as there is a problem in the
setup - the page starts unwatched when it should be watched. The test
for checking that an article can be watched should suffice here.
Bug: T224947
Change-Id: I3049e1b190c3cb2ddc198a45681f59782f770d6a