mysql-test/r/ps_10nestset.result:
  Correct the expected protocol according to the test changes.
mysql-test/t/ps_10nestset.test:
  Improve comments;  adapt to standard test style:
  disable warnings around 'drop table', use 't#' table name scheme.
mysql-test/t/ps_11bugs.test:
  Corrected a typing error in the bug number comment.