Test which runs slowly on some machines, is marked as big

so will be run only weekly; this closes BUG#50595.

mysql-test/collections/default.weekly

 perl mysql-test-run.pl --timer --force --comment=1st       --experimental=collections/default.experimental 1st
-perl mysql-test-run.pl --timer --force --comment=big-tests --experimental=collections/default.experimental --vardir=var-big-tests --big-test --testcase-timeout=60 --suite-timeout=600 parts.partition_alter1_2_ndb parts.part_supported_sql_func_innodb parts.partition_alter1_2_innodb parts.partition_alter4_innodb parts.partition_alter1_1_2_ndb parts.partition_alter1_1_2_innodb parts.partition_alter1_1_ndb rpl_ndb.rpl_truncate_7ndb_2 main.archive-big main.sum_distinct-big main.mysqlbinlog_row_big main.alter_table-big main.variables-big main.type_newdecimal-big main.read_many_rows_innodb main.log_tables-big main.count_distinct3 main.events_time_zone main.merge-big main.create-big main.events_stress main.ssl-big
+perl mysql-test-run.pl --timer --force --comment=big-tests --experimental=collections/default.experimental --vardir=var-big-tests --big-test --testcase-timeout=60 --suite-timeout=600 parts.partition_alter1_2_ndb parts.part_supported_sql_func_innodb parts.partition_alter1_2_innodb parts.partition_alter4_innodb parts.partition_alter1_1_2_ndb parts.partition_alter1_1_2_innodb parts.partition_alter1_1_ndb rpl_ndb.rpl_truncate_7ndb_2 main.archive-big main.sum_distinct-big main.mysqlbinlog_row_big main.alter_table-big main.variables-big main.type_newdecimal-big main.read_many_rows_innodb main.log_tables-big main.count_distinct3 main.events_time_zone main.merge-big main.create-big main.events_stress main.ssl-big funcs_1.myisam_views-big

mysql-test/suite/funcs_1/t/myisam_views.test → mysql-test/suite/funcs_1/t/myisam_views-big.test

 #### suite/funcs_1/t/myisam_views.test
 
 --source include/no_valgrind_without_big.inc
+# because of a pair of slow Solaris Sparc machines in pb2,
+# this test is marked as big:
+--source include/big_test.inc
 
 # MyISAM tables should be used
 #