Highlight _via_redirect test methods

Author: tpope

autoload/rails.vim

@@ -3501,6 +3501,7 @@ function! s:BufSyntax()
         syn keyword rubyRailsTestMethod test setup teardown
         if t !~ '^test-unit\>'
           syn match   rubyRailsTestControllerMethod  '\.\@<!\<\%(get\|post\|put\|delete\|head\|process\|assigns\)\>'
+          syn keyword rubyRailsTestControllerMethod get_via_redirect post_via_redirect put_via_redirect delete_via_redirect request_via_redirect
           syn keyword rubyRailsTestControllerMethod assert_response assert_redirected_to assert_template assert_recognizes assert_generates assert_routing assert_dom_equal assert_dom_not_equal assert_select assert_select_rjs assert_select_encoded assert_select_email assert_tag assert_no_tag
         endif
       elseif t=~ '^spec\>'