HHH-9010: Revert "HHH-8961 corrected test failure"

This reverts commit 64acebb5a975f3df0c47e593582008a417f3160d.
HHH-9010: Revert "HHH-8961 Reduce allocation cost of org.hibernate.cache.spi.CacheKey instances"

This reverts commit 539866b773793bb677d15aad58a1d534ca8f32a1.