fix truncate_coverage.test: update from 5.6

mysql-test/r/truncate_coverage.result

@@ -11,7 +11,7 @@ HANDLER t1 OPEN;
 #
 # connection default
 LOCK TABLE t1 WRITE;
-SET DEBUG_SYNC='mdl_upgrade_shared_lock_to_exclusive SIGNAL waiting';
+SET DEBUG_SYNC='mdl_upgrade_lock SIGNAL waiting';
 TRUNCATE TABLE t1;
 #
 # connection con2
@@ -37,7 +37,7 @@ HANDLER t1 OPEN;
 #
 # connection default
 LOCK TABLE t1 WRITE;
-SET DEBUG_SYNC='mdl_upgrade_shared_lock_to_exclusive SIGNAL waiting';
+SET DEBUG_SYNC='mdl_upgrade_lock SIGNAL waiting';
 TRUNCATE TABLE t1;
 #
 # connection con2
@@ -50,7 +50,7 @@ HANDLER t1 CLOSE;
 ERROR 42S02: Table 'test.t1' doesn't exist
 UNLOCK TABLES;
 DROP TABLE t1;
-ERROR 42S02: Unknown table 't1'
+ERROR 42S02: Unknown table 'test.t1'
 SET DEBUG_SYNC='RESET';
 CREATE TABLE t1 (c1 INT);
 INSERT INTO t1 VALUES (1);

mysql-test/t/truncate_coverage.test

@@ -40,7 +40,7 @@ HANDLER t1 OPEN;
 --connection default
 let $ID= `SELECT @id := CONNECTION_ID()`;
 LOCK TABLE t1 WRITE;
-SET DEBUG_SYNC='mdl_upgrade_shared_lock_to_exclusive SIGNAL waiting';
+SET DEBUG_SYNC='mdl_upgrade_lock SIGNAL waiting';
 send TRUNCATE TABLE t1;
 #
 # Get the default connection ID into a variable in an invisible statement.
@@ -92,7 +92,7 @@ HANDLER t1 OPEN;
 --echo # connection default
 --connection default
 LOCK TABLE t1 WRITE;
-SET DEBUG_SYNC='mdl_upgrade_shared_lock_to_exclusive SIGNAL waiting';
+SET DEBUG_SYNC='mdl_upgrade_lock SIGNAL waiting';
 send TRUNCATE TABLE t1;
 #
 # Remove datafile.