ignores twitter link in test as twitter now returns a 400 error unless it finds a user-agent request header

Author: david-saeger

scripts/test

@@ -3,4 +3,4 @@ set -e # halt script on error
 
 bundle exec jekyll build
 # I do not know why those URLs fail the proofer, they do exist. :/
-bundle exec htmlproofer ./public --url-ignore "/^mailto:/,/code.gov\/about\/open-source\/introduction/,/code.gov\/about\/compliance\/inventory-code/"
+bundle exec htmlproofer ./public --url-ignore "/^mailto:/,/code.gov\/about\/open-source\/introduction/,/code.gov\/about\/compliance\/inventory-code/,/twitter.com\/DefenseDigital/"