mysql-test/r/innodb-timeout.result:
  Make test more robust to scheduling delays on the host running the test suite.
mysql-test/suite/rpl/r/rpl_relayspace.result:
  Apply patch from BUG#25228 and tweak timeout value in an attempt to fix random
  failure of this test in Buildbot (could not repeat locally).
mysql-test/suite/rpl/t/rpl_relayspace.test:
  Apply patch from BUG#25228 and tweak timeout value in an attempt to fix random
  failure of this test in Buildbot (could not repeat locally).
mysql-test/t/innodb-timeout.test:
  Make test more robust to scheduling delays on the host running the test suite.
mysql-test/valgrind.supp:
  Add suppression for Glibc bug.