Make few tests experimental.

mysql-test/collections/default.experimental

@@ -26,7 +26,7 @@ main.wait_timeout @solaris               # Bug#51244 2010-04-26 alik wait_timeou
 
 perfschema.pfs_upgrade                   # Bug#53102 2010-06-15 alik perfschema.pfs_upgrade fails on sol10 sparc64 max in parallel mode
 
-rpl.rpl_heartbeat_basic                  # BUG#43828 2009-10-22 luis fails sporadically
+rpl.rpl_heartbeat_basic                  # BUG#54820 2010-06-26 alik rpl.rpl_heartbeat_basic fails sporadically again
 rpl.rpl_heartbeat_2slaves                # BUG#43828 2009-10-22 luis fails sporadically
 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
@@ -35,6 +35,7 @@ rpl.rpl_plugin_load*  @solaris           # Bug#47146
 rpl.rpl_row_sp011* @solaris              # Bug#47791 2010-01-20 alik Several test cases fail on Solaris with error Thread stack overrun
 
 sys_vars.max_sp_recursion_depth_func @solaris # Bug#47791 2010-01-20 alik Several test cases fail on Solaris with error Thread stack overrun
+sys_vars.slow_query_log_func @solaris         # Bug#54819 2010-06-26 alik sys_vars.slow_query_log_func fails sporadically on Solaris 10
 sys_vars.wait_timeout_func                    # Bug#41255 2010-04-26 alik wait_timeout_func fails
 
 # Declare all NDB-tests in ndb and rpl_ndb test suites experimental.