disable galera.pxc-421 test

vuvova · vuvova · commit 182db5a1b79e · 2018-05-15T12:10:48.000+02:00
diff --git a/mysql-test/suite/galera/disabled.def b/mysql-test/suite/galera/disabled.def
@@ -31,3 +31,4 @@ galera.MW-44 : MDEV-15809 Test failure on galera.MW-44
 galera.galera_pc_ignore_sb : MDEV-15811 Test failure on galera_pc_ignore_sb
 galera_kill_applier : race condition at the start of the test
 galera_ist_progress: MDEV-15236 galera_ist_progress fails when trying to read transfer status
+pxc-421: Lock timeout exceeded
