Bug #55509 : main.lowercase_table2 fails on Mac OSX (again)

The test passes on MacOSX. removing it from the experimental list.

mysql-test/collections/default.experimental

@@ -12,7 +12,6 @@ main.gis                                 # Bug#52208 2010-11-24 alik gis fails o
 main.gis-rtree @freebsd                  # Bug#38965 2010-05-04 alik test cases gis-rtree, type_float, type_newdecimal fail in embedded server
 main.information_schema                  # Bug#47449 2009-09-19 alik main.information_schema and innodb.innodb_information_schema fail sporadically
 main.lock_multi_bug38499                 # Bug#47448 2009-09-19 alik main.lock_multi_bug38499 times out sporadically
-main.lowercase_table2 @darwin            # Bug#55509 2010-07-26 alik main.lowercase_table2 fails on Mac OSX (again)
 main.outfile_loaddata @solaris           # Bug#46895 2010-01-20 alik Test "outfile_loaddata" fails (reproducible)
 main.signal_demo3 @solaris               # Bug#47791 2010-01-20 alik Several test cases fail on Solaris with error Thread stack overrun
 main.sp @solaris                         # Bug#47791 2010-01-20 alik Several test cases fail on Solaris with error Thread stack overrun