Write own getTable cypress command

Using the `getTable` package has caused our build to fail as it's trying
to install multiple versions of Cypress, so we're adding the
implementation to our codebase instead.

This implementation has been shamelessly copied from
https://github.com/roggerfe/cypress-get-table/blob/master/src/index.js.

integration_tests/support/commands.js

@@ -6,3 +6,27 @@ Cypress.Commands.add('login', () => {
 Cypress.Commands.add('withinFieldsetThatContains', (text, action) => {
   cy.contains(text).parent('fieldset').within(action)
 })
+
+const getTable = (subject, options = {}) => {
+  if (subject.get().length > 1) {
+    throw new Error(`Selector "${subject.selector}" returned more than 1 element.`)
+  }
+
+  const tableElement = subject.get()[0]
+  const headers = [...tableElement.querySelectorAll('thead th')].map(e => e.textContent)
+
+  const rows = [...tableElement.querySelectorAll('tbody tr')].map(row => {
+    return [...row.querySelectorAll('td')].map(e => e.textContent)
+  })
+
+  return rows.map(row =>
+    row.reduce((acc, curr, index) => {
+      if (options.onlyColumns && !options.onlyColumns.includes(headers[index])) {
+        return { ...acc }
+      }
+      return { ...acc, [headers[index]]: curr }
+    }, {})
+  )
+}
+
+Cypress.Commands.add('getTable', { prevSubject: true }, getTable)

integration_tests/support/index.js

@@ -1,5 +1,3 @@
 import './commands'
 import './interventionsServiceStubs'
 import './communityApiStubs'
-
-require('cypress-get-table')