chore(e2e): update cypress config (#38676)

.github/workflows/cypress.yml

@@ -4,6 +4,8 @@ on:
     branches:
       - master
       - production-**
+      # This will let us work on cypress config itself
+      - cypress-**
 jobs:
   cypress-run:
     name: Cypress run
@@ -11,7 +13,7 @@ jobs:
     services:
       mongodb:
         image: mongo:3.5.5
-# ports may not be necessary, try without
+        # ports may not be necessary, try without
         ports:
           - 27017:27017
     steps:
@@ -25,11 +27,11 @@ jobs:
         uses: cypress-io/github-action@v1
         with:
           build: npm run build
-# this should mirror the production build, but for now we're just using the dev
-# server and gatsby serve instead (the npm script serve:client needs updating!)
+          # this should mirror the production build, but for now we're just using the dev
+          # server and gatsby serve instead (the npm script serve:client needs updating!)
           start: npm start
           wait-on: http://localhost:8000
-# the site builds in about 8 minutes, so there is currently 12 minutes of time
-# left for testing.
+          # the site builds in about 8 minutes, so there is currently 12 minutes of time
+          # left for testing.
           wait-on-timeout: 1200
           config: baseUrl=http://localhost:8000