Made two test cases experimental.

mysql-test/collections/default.experimental

@@ -11,6 +11,7 @@ main.ctype_gbk_binlog  @solaris          # Bug#46010: main.ctype_gbk_binlog fail
 main.information_schema                  # Bug#47449 2009-09-19 alik main.information_schema and innodb.innodb_information_schema fail sporadically
 main.innodb-autoinc                      # Bug#44030 2009-09-24 alik Marking innodb-autoinc experimental while waiting for the patch to be merged
 main.lock_multi_bug38499                 # Bug#47448 2009-09-19 alik main.lock_multi_bug38499 times out sporadically
+main.lock_multi_bug38691 @solaris        # Bug#47792 2009-10-02 alik main.lock_multi_bug38691 times out sporadically on Solaris 10
 main.plugin                              # Bug#47146 Linking problem with example plugin when dtrace enabled
 main.plugin_load                         # Bug#47146
 
@@ -19,6 +20,7 @@ rpl.rpl_innodb_bug28430* @solaris        # 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_create_table*                # Bug#45576: rpl_row_create_table fails on PB2
+rpl.rpl_log_pos*                         # Bug#47743 2009-10-02 alik rpl.rpl_log_pos fails sporadically
 rpl.rpl_trigger*                         # Bug#46656 2009-09-25 alik InnoDB plugin: memory leaks (Valgrind)
 
 # Declare all NDB-tests in ndb and rpl_ndb test suites experimental.