Fix underflow in rend_cache/free_all test.
We already fixed these in #40099 (closed) and #40125 (closed).
This patch fixes #40126 (closed). Bugfix on 0.2.8.1-alpha.
We already fixed these in #40099 (closed) and #40125 (closed).
This patch fixes #40126 (closed). Bugfix on 0.2.8.1-alpha.