* test/ruby/test_complex.rb: fixed broken tests. Math is not
  compatible CMath now.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47250 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* test/ruby/test_complex.rb: removed commented-out code.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47251 b2dd03c8-39d4-4d8f-98ff-823fe69b080e