bug #25973 (ps_1general.test fails in embedded server)

mysql-test/t/ps_1general.test:
  replace_result fixed

mysql-test/t/ps_1general.test

@@ -588,7 +588,7 @@ prepare stmt1 from ' rename table t5 to t6, t7 to t8 ' ;
 create table t5 (a int) ;
 # rename must fail, t7 does not exist
 # Clean up the filename here because embedded server reports whole path
---replace_result \\ / $MYSQL_TEST_DIR . /var/master-data/ / t7.frm t7
+--replace_result \\ / $MYSQLTEST_VARDIR . /master-data/ / t7.frm t7
 --error 1017
 execute stmt1 ;
 create table t7 (a int) ;