Gherkin workflows for desktop (#788)

* Add gherkin tests for page navigation links

- test that every page will load when navigating from any other page
- update snapshots

* Add gherkin workflows 2 - 5

- add test for Federal program officer key information and CTA
- add test for Community members key information and CTA
- add test for Send feedback
- add test for Join the Open Source community
- update snapshots

* Add gherkin tests for footer links

- add footerlinks feature gherkin file
- adds a comment to the hyphenizeString()
- adds keyword functions for footer
- adds data-cy tags to footer component
- updates snapshots

* Adds workflow to learn more about EO

* Add gherkin test for dataset links

- add data-cy tags to dataset sections
- modify Cy command functions names
- update snapshots

* Add cypress test to deploy_staging.yml

* Add working directory env

* Remove keywords.js from cypress test

* Add a Then step to all About and Footer tests

* Refactor step definitions

- use globalStepDefinitions
- rename keywords to commonSteps
- remove keyword from exclusion list

client/src/data/copy/common.tsx

@@ -79,6 +79,11 @@ export const FOOTER = defineMessages({
     defaultMessage: 'More information',
     description: 'Footer column header',
   },
+  WHITEHOUSE: {
+    id: 'footer.whitehouselink',
+    defaultMessage: 'Whitehouse.gov',
+    description: 'Footer Whitehouse.gov link text',
+  },
   FOIA: {
     id: 'footer.foialink',
     defaultMessage: 'Freedom of Information Act (FOIA)',