Bug#35786041: Same values on "--vardir" and "--comment" are used.

Description:
-----------
Changing PB2 collections files to use different  "--vardir" and "--comment" values.

Change-Id: Id30a5600725bc8243d647aec0af39092f91ed137

Author: Harini T S

mysql-test/collections/default.weekly

@@ -199,7 +199,7 @@ perl mysql-test-run.pl --timer --debug-server --force --parallel=6 --comment=gro
 perl mysql-test-run.pl --timer --debug-server --force --parallel=6 --comment=group_replication_mysql-debug --vardir=var-group_replication_mysql-debug --suite=group_replication  --big-test --testcase-timeout=60 --suite-timeout=360 --mysqld=--loose-group_replication_communication_stack=MySQL
 
 #GR with STA on debug build
-perl mysql-test-run.pl --timer --debug-server --force --parallel=6 --comment=group_replication-debug --vardir=var-gr-debug --suite=group_replication  --big-test --testcase-timeout=60 --suite-timeout=360 --mysqld=--replica-parallel-workers=0
+perl mysql-test-run.pl --timer --debug-server --force --parallel=6 --comment=group_replication-debug_sta --vardir=var-gr-debug_sta --suite=group_replication  --big-test --testcase-timeout=60 --suite-timeout=360 --mysqld=--replica-parallel-workers=0
 perl mysql-test-run.pl --timer --debug-server --force --parallel=6 --comment=group_replication_ssl_mode_required-debug --vardir=var-gr_ssl_mode_required-debug --suite=group_replication  --big-test --testcase-timeout=60 --suite-timeout=360 --mysqld=--loose-group_replication_ssl_mode=REQUIRED
 
 # GR with binlog compression turned on

mysql-test/collections/default.weekly-valgrind

@@ -2,11 +2,11 @@
 # Run all suites with big-test and debug-server option
 # Run rpl tests separately.
 perl mysql-test-run.pl --timer --debug-server --force --skip-rpl --comment=all_default_valgrind --vardir=var-all_default_valgrind --max-test-fail=30 --skip-ndb
-perl mysql-test-run.pl --timer --only-big-test --parallel=6 --debug-server --force --skip-rpl --comment=all_default_valgrind --vardir=var-all_default_valgrind --max-test-fail=30 --skip-ndb
+perl mysql-test-run.pl --timer --only-big-test --parallel=6 --debug-server --force --skip-rpl --comment=all_default_valgrind_big --vardir=var-all_default_valgrind_big --max-test-fail=30 --skip-ndb
 # Run all ndb tests separately.
 # If no Ndb support, no tests will be attempted.
-perl mysql-test-run.pl --timer --debug-server --force --skip-rpl --comment=all_default_valgrind --vardir=var-all_default_valgrind --max-test-fail=30 --with-ndb-only
-perl mysql-test-run.pl --timer --only-big-test --parallel=6 --debug-server --force --skip-rpl --comment=all_default_valgrind --vardir=var-all_default_valgrind --max-test-fail=30 --with-ndb-only
+perl mysql-test-run.pl --timer --debug-server --force --skip-rpl --comment=ndb-valgrind --vardir=var-ndb-valgrind --max-test-fail=30 --with-ndb-only
+perl mysql-test-run.pl --timer --only-big-test --parallel=6 --debug-server --force --skip-rpl --comment=ndb-valgrind-big  --vardir=var-ndb-valgrind-big --max-test-fail=30 --with-ndb-only
 # Run rpl suites with explict --parallel
 perl mysql-test-run.pl --timer --big-test --debug-server --force --parallel=6 --comment=rpl-valgrind --vardir=var-rpl-valgrind --suite=rpl,rpl_gtid,rpl_nogtid