* test/ruby/test_syntax.rb (TestSyntax#test_keyword_not_parens):
Currently `not()` is tested by only TestRipper::ParserEvents#test_unary,
so I think it's better to test this syntax directly.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61035 b2dd03c8-39d4-4d8f-98ff-823fe69b080e