test_syntax.rb: more test_warn_balanced
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56272 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
test_syntax.rb: more test_warn_balanced
for a symbol literal and a local variable.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56272 b2dd03c8-39d4-4d8f-98ff-823fe69b080e