Most of these are found by the not yet released I10559d8.
I remove the type MockObject in some cases when the calling
code really does not need to know if he get's a mock or the
real thing. However, I do this only in places that are very
closely related to the fixes.
Change-Id: I26a4c3c5a8ae141bf56161b52b54bce7e68f2e30
DEPLOY: Set $wgOldRevisionParserCacheExpireTime = 0 in production first!
Bug: T267832
Depends-On: I3c73f5d9f6a54e2736600e8f9506659a3fb0e7f6
Change-Id: I0fe275b4991f1bf89c7bb587132bc4fb0ea862e2