Mark some tests experimental.

mysql-test/collections/default.experimental

@@ -21,7 +21,9 @@ rpl.rpl_heartbeat_2slaves                # BUG#43828 2009-10-22 luis fails spora
 rpl.rpl_innodb_bug28430*                 # Bug#46029
 rpl.rpl_innodb_bug30888* @solaris        # Bug#47646 2009-09-25 alik rpl.rpl_innodb_bug30888 fails sporadically on Solaris
 rpl.rpl_plugin_load*  @solaris           # Bug#47146
+rpl.rpl_row_sp011* @solaris              # Bug#47791 2010-01-31 alik Several test cases fail on Solaris with error Thread stack overrun
 rpl.rpl_slave_load_remove_tmpfile @windows  # Bug#50474 2010-01-28 alik rpl_slave_load_remove_tmpfile failed on windows debug enabled binary
+rpl.rpl_sync* @windows                   # Bug#50473 2010-01-31 alik rpl_sync fails on windows debug enabled binaries
 rpl.rpl_timezone*                        # Bug#47017 2009-10-27 alik rpl_timezone fails on PB-2 with mismatch error
 
 # Declare all NDB-tests in ndb and rpl_ndb test suites experimental.