Remove warning from perfschema.bad_option_# tests

mysql-test/suite/perfschema/t/bad_option_1.test

@@ -5,8 +5,10 @@
 --source include/have_perfschema.inc
 
 let $outfile= $MYSQLTEST_VARDIR/tmp/bad_option_1.txt;
+--disable_warnings
 --error 0,1
 --remove_file $outfile
+--enable_warnings
 --error 7
 --exec $MYSQLD_BOOTSTRAP_CMD --loose-console --performance-schema-enabled=maybe > $outfile 2>&1
 

mysql-test/suite/perfschema/t/bad_option_2.test

@@ -5,8 +5,10 @@
 --source include/have_perfschema.inc
 
 let $outfile= $MYSQLTEST_VARDIR/tmp/bad_option_2.txt;
+--disable_warnings
 --error 0,1
 --remove_file $outfile
+--enable_warnings
 --error 3
 --exec $MYSQLD_BOOTSTRAP_CMD --loose-console --enable-getopt-prefix-matching --performance-schema-max_=12 > $outfile 2>&1
 --let SEARCH_PATTERN=ambiguous option '--performance-schema-max_=12'

mysql-test/suite/perfschema/t/bad_option_3.test

@@ -5,8 +5,10 @@
 --source include/have_perfschema.inc
 
 let $outfile= $MYSQLTEST_VARDIR/tmp/bad_option_3.txt;
+--disable_warnings
 --error 0,1
 --remove_file $outfile
+--enable_warnings
 --error 2
 --exec $MYSQLD_BOOTSTRAP_CMD --loose-console -a -x > $outfile 2>&1
 

mysql-test/suite/perfschema/t/bad_option_4.test

@@ -5,8 +5,10 @@
 --source include/have_perfschema.inc
 
 let $outfile= $MYSQLTEST_VARDIR/tmp/bad_option_4.txt;
+--disable_warnings
 --error 0,1
 --remove_file $outfile
+--enable_warnings
 --error 1
 --exec $MYSQLD_BOOTSTRAP_CMD --loose-console -a -h bad_option_h_param > $outfile 2>&1
 

mysql-test/suite/perfschema/t/bad_option_5.test

@@ -5,8 +5,10 @@
 --source include/have_perfschema.inc
 
 let $outfile= $MYSQLTEST_VARDIR/tmp/bad_option_5.txt;
+--disable_warnings
 --error 0,1
 --remove_file $outfile
+--enable_warnings
 --error 2
 --exec $MYSQLD_BOOTSTRAP_CMD --loose-console -aXbroken > $outfile 2>&1