Fixes #3220
DRY - Call preprocess_common_vars less times
Move theme_hook_suggestions into relevant preprocess functions
UK SSO: refactor integration tests.
Merge pull request #3233 from aaronschachter/pitch_fix

Fixes Pitch Page view bug
Merge pull request #3234 from sergii-tkachenko/uk-refactor-integrarion-tests

UK SSO: refactor integration tests.