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/components/DatasetContainer/index.tsx

@@ -5,6 +5,7 @@ import {Grid} from '@trussworks/react-uswds';
 import AlertWrapper from '../AlertWrapper';
 import DatasetCard from '../DatasetCard';
 import J40MainGridContainer from '../J40MainGridContainer';
+import {hyphenizeString} from '../../../cypress/integration/common/helpers';
 
 import * as styles from './dsContainer.module.scss';
 import * as METHODOLOGY_COPY from '../../data/copy/methodology';
@@ -16,7 +17,8 @@ const DatasetContainer = () => {
   return (
     <>
       <J40MainGridContainer fullWidth={true} blueBackground={true}>
-        <J40MainGridContainer>
+        <J40MainGridContainer
+          dataCy={`${hyphenizeString(METHODOLOGY_COPY.DATASETS.HEADING.defaultMessage)}-block`}>
 
           <Grid row>
             <Grid col={12}>
@@ -42,8 +44,9 @@ const DatasetContainer = () => {
         </J40MainGridContainer>
       </J40MainGridContainer>
 
-      <J40MainGridContainer fullWidth={true} blueBackground={false}>
-        <J40MainGridContainer>
+      <J40MainGridContainer fullWidth={true} blueBackground={false} >
+        <J40MainGridContainer
+          dataCy={`${hyphenizeString(METHODOLOGY_COPY.DATASETS.ADDITIONAL_HEADING.defaultMessage)}-block`}>
 
           <Grid row>
             <Grid col={12}>

client/src/components/DatasetContainer/tests/__snapshots__/datasetContainer.test.tsx.snap

@@ -7,6 +7,7 @@ exports[`rendering of the DatasetContainer checks if various text fields are vis
   >
     <div
       class="grid-container-desktop-lg"
+      data-cy="datasets-used-in-methodology-block"
       data-testid="gridContainer"
     >
       <div
@@ -174,6 +175,7 @@ exports[`rendering of the DatasetContainer checks if various text fields are vis
   >
     <div
       class="grid-container-desktop-lg"
+      data-cy="additional-indicators-block"
       data-testid="gridContainer"
     >
       <div