UK SSO: Add country field integration test.
How do these things work?
Merge pull request #3227 from aaronschachter/html_for_dummies

HTML For Dummies
Fixes #3223.
Merge pull request #3226 from sergii-tkachenko/uk-fix-sso-signup-address

Fixes #3223.
Merge pull request #3224 from sergii-tkachenko/uk-add-country-test

UK SSO: Add country field integration test.