Moved ULS tests from browsertests repository

Change-Id: I4f4a4c5530ad7e5dff70171b59a589dc98b1ef29

tests/browser/features/support/sauce.rb

@@ -0,0 +1,10 @@
+require 'cucumber/formatter/junit'
+
+module Cucumber::Formatter
+  class Sauce < Junit
+    def format_exception(exception)
+      sauce_job_page = "Sauce Labs job URL: http://saucelabs.com/jobs/#{$session_id}\n"
+      ([sauce_job_page] + ["#{exception.message} (#{exception.class})"] + exception.backtrace).join("\n")
+    end
+  end
+end