The two lualib/ustring generation scripts run independently of MediaWiki, so
the new wfIsCLI() isn't usable there.
Bug: T184043
Change-Id: I217657d12e16a7b76dc814be5fed03540c461e7c
This should make sure the tests still work, even if the running
node is heavily overloaded.
Bug: T143389
Change-Id: Ic40c8d76c8799c2e9d11f53945276747c199fd02
Iaa880531 added extra frames in the call stack, so the frame being
tested by the "setfenv invalid level" and "getfenv invalid level" tests
was no longer invalid.
Bug: T175065
Change-Id: Id1028e7c8bbb92fb9d7d01ebeabd94e8ba284b1c