[rb] make it easier in ruby remote tests to specify a grid jar

Author: titusfortner

rb/spec/integration/selenium/webdriver/spec_support/test_environment.rb

@@ -106,9 +106,9 @@ def remote_server?
         end
 
         def remote_server_jar
-          jar = 'java/src/org/openqa/selenium/grid/selenium_server_deploy.jar'
+          jar = 'selenium_server_deploy.jar'
           test_jar = Pathname.new(Dir.pwd).join(jar)
-          built_jar = root.join("bazel-bin/#{jar}")
+          built_jar = root.join("bazel-bin/java/src/org/openqa/selenium/grid/#{jar}")
           jar = if File.exist?(test_jar) && ENV['DOWNLOAD_SERVER'].nil?
                   test_jar
                 elsif File.exist?(built_jar) && ENV['DOWNLOAD_SERVER'].nil?