ticket:10107 Improve test generation

git-svn-id: http://source.icu-project.org/repos/icu/icu@33530 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10107 bump script codes

git-svn-id: http://source.icu-project.org/repos/icu/icu@33531 251d0590-4201-4cf1-90de-194747b24ca1