Braintree: Add unit test for LocaleResolver#17457

dmytro-ch wants to merge 1 commit intomagento:2.2-developmagento/magento2:2.2-developfrom

dmytro-ch:2.2-unit-test-braintree-locale-resolverdmytro-ch/magento2:2.2-unit-test-braintree-locale-resolverCopy head branch name to clipboard