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

This reverts commit 0dc24f10812276f343f64afb39126e669f8782a8.
HHH-9010: Revert "HHH-8961 Reduce allocation cost of org.hibernate.cache.spi.CacheKey instances"

This reverts commit f69e1a6b9f5b69f9c6bd36854bd77f4a8854fe4b.