MDEV-33616 Fix memleak in pfs_noop

Invoke cleanup routine at the end of pfs_noop.

storage/perfschema/unittest/pfs_noop-t.cc

@@ -240,6 +240,7 @@ int main(int, char **)
 
   MY_INIT("pfs_noop-t");
   test_noop();
+  my_end(MY_CHECK_ERROR);
   return (exit_status());
 }