Bug#11756600 - SLAVE THREAD CAN CRASH IF EVENT SCHEDULER

               FAILS TO READ EVENT TABLE AT STARTUP.

This issue is fixed in 5.5+ versions. This patch adds a test
case for this scenario.

mysql-test/include/rpl_start_server.inc

@@ -8,6 +8,7 @@
 # --let $rpl_server_number= N
 # [--let $rpl_server_parameters= --flag1 --flag2 ...]
 # [--let $rpl_debug= 1]
+# [--let $rpl_server_error= 0]
 # --source include/rpl_start_server.inc
 #
 # Parameters:
@@ -21,6 +22,9 @@
 #     If set, extra parameters given by this variable are passed to
 #     mysqld.
 #
+#   $rpl_server_error
+#     If set, failure of the server startup is expected. 
+#
 #   $rpl_debug
 #     See include/rpl_init.inc
 #
@@ -47,8 +51,9 @@ if ($rpl_server_parameters)
 # Write file to make mysql-test-run.pl start up the server again
 --exec echo "$_rpl_start_server_command" > $MYSQLTEST_VARDIR/tmp/mysqld.$rpl_server_number.expect
 
---source include/rpl_reconnect.inc
-
-
---let $include_filename= rpl_start_server.inc $_rpl_start_server_args
---source include/end_include_file.inc
+if (!$rpl_server_error)
+{
+  --source include/rpl_reconnect.inc
+  --let $include_filename= rpl_start_server.inc $_rpl_start_server_args
+  --source include/end_include_file.inc
+}