only generate tests for arities up to 20 for now to work around Scala 2.9.0 bug
only generate tests for arities up to 20 for now to work around Scala 2.9.0 bug

git-svn-id: a9cb476116504f49bf91a09a9abbac08fcf3bbcc@2747 fd1274fd-080f-5963-8033-43ee40fcd1de

svn2github/scalatest,svn2github/scalatest,svn2github/scalatest