by setting up localVue with all required plugins (such as styleguide and vuex)
in a separate testSetup file we can avoid doing this individually in all component tests
the testSetup is executed before each test suite, so each test file gets a fresh
instance of localVue
- Fix tests by stubbing LocaleSwitch/client-only
- Add portuguese translations
- Add back to login link
- Use span over   following @alina-becks PR review on another PR