add simple test case

git-svn-id: https://svn/IT/az/groovy@23618 99cadc30-3bf9-11df-9bc1-510916f65ae8
replace assert to assert* methods

git-svn-id: https://svn/IT/az/groovy@23619 99cadc30-3bf9-11df-9bc1-510916f65ae8
make same replacements in other branches

git-svn-id: https://svn/IT/az/groovy@23620 99cadc30-3bf9-11df-9bc1-510916f65ae8
fixed missed asBoolean method

git-svn-id: https://svn/IT/az/groovy@23621 99cadc30-3bf9-11df-9bc1-510916f65ae8
Merge remote-tracking branch 'remotes/git-svn'