Provide UK-specific integration tests.
Merge pull request #3093 from sergii-tkachenko/DS-377_uk-integration-tests

Provide UK-specific integration tests.
Remove an unnecessary Drush call to look up user account.
Remove unused campaign NID parameter.
Split configuration variables into a CasperJS config file.
Add log message to flood table method.
Don't use test fixtures for campaigns.
New test runner (allows for test configs).
Add international test config file.
Fix path expansion and negative globs.
Unset fail-fast option.
Remove trailing comma in default config.
List matching files before running tests.
Merge pull request #3096 from DFurnes/test-redux

Test redux
narrowed msg callout width
Merge pull request #3097 from tjrosario/sms-message-callout-tweaks

narrowed msg callout width
Fixes passing override arguments to the test runner.
Updating CasperJS config variable with staging test campaign NID.
Add tests subdirectory for test rules.
Merge pull request #3098 from DFurnes/testrunner-bugfixes

Fixes passing override arguments to the test runner.