Ruby

envutil.rb: improve by assert_pattern_list

• test/lib/envutil.rb (assert_in_out_err): improve to match by
  assert_pattern_list if expected result is other than Regexp or
  String list.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@49823 b2dd03c8-39d4-4d8f-98ff-823fe69b080e