[3.11] gh-125041: test_zlib: For s390x HW acceleration, only skip checking the compressed bytes (GH-125042) (#125577)

gh-125041: test_zlib: For s390x HW acceleration, only skip checking the compressed bytes (#125042)

(cherry picked from commit cc5a225cdc2a5d4e035dd08d59cef39182c10a6c)