Fixed failure of parts.partition_debug_sync_innodb.test which

was caused by change of thread state name from "Waiting for
table" to "Waiting for table metadata lock" (which has 
happened as part of fix for bug 52044 "FLUSH TABLES WITH READ
LOCK and FLUSH TABLES <list> WITH READ LOCK are incompati").

mysql-test/suite/parts/t/partition_debug_sync_innodb.test

@@ -28,7 +28,8 @@ ALTER TABLE t1 TRUNCATE PARTITION pMax;
 --echo # con default
 let $wait_condition=
   SELECT COUNT(*) = 1 FROM INFORMATION_SCHEMA.PROCESSLIST
-    WHERE STATE = "Waiting for table" AND INFO = "ALTER TABLE t1 TRUNCATE PARTITION pMax";
+    WHERE STATE = "Waiting for table metadata lock" AND
+          INFO = "ALTER TABLE t1 TRUNCATE PARTITION pMax";
 --source include/wait_condition.inc
 --sorted_result
 SELECT * FROM t1;