Item12358: Fix the AmISane test cases.

git-svn-id: http://svn.foswiki.org/trunk/core@16413 0b4bb1d4-4e5a-0410-9cc4-b2b747904278
Item12358: More test case fixes

Save without edit tests changed to POST

TestCaseAmISane needed t= to prevent caching

git-svn-id: http://svn.foswiki.org/trunk/core@16414 0b4bb1d4-4e5a-0410-9cc4-b2b747904278
Item12358: Add a revert button for test

Easier than checking the target file out from svn.

git-svn-id: http://svn.foswiki.org/trunk/core@16415 0b4bb1d4-4e5a-0410-9cc4-b2b747904278