e2e: Uses Cypress instead of Puppeteer (#20753)

* WIP: intial commit

* Tests: Runs e2e tests

* Refactor: Adds BASE_URL support

* Refactor: Adds namespacing

* Refactor: Cleans up the Page api

* Build: Adds to build-branches-and-prs job for testing

* Build: Hardcoded image for now

* Refactor: Uses Selectors in App

* Refactor: Adds addDataSource flow

* WIP

* Refactor: Adds e2eScenario

* Refactor: Adds add and delete scenarios

* Refactor: Adds logging

* Refactor: Adds ability to for Selectors with variables

* Refactor: Using variable selectors instead

* Refactor: Adds flow until Share Panel

* Refactor: Adds clicking on rendered image link

* Refactor: Deletes log output

* Refactor: Updates snapshots

* Chore: Reverts changes

* Refactor: Removes log plugin because maybe it breaks yarn build

* Refactor: Adds rendered image download

* Refactor: Adds image comparison

* Refactor: Removes uncaught errors override

* Refactor: Changes order of images to compare

* Refactor: Updates truth image

* Build: Updates path to CI artifacts

* Refactor: Cleaning up types and config

* wip

* Refactor: Cleans up external api

* Refactor: More cleanup

* Refactor: More cleanup

* Refactor: Removes usages of Pages and Flows

* Refactor: Removes last traces of Cypress in spec

* Refactor: Adds comments

package.json

@@ -160,7 +160,9 @@
     "typecheck": "tsc --noEmit",
     "typecheckPackages": "yarn workspaces run typecheck",
     "jest": "jest --notify --watch",
-    "e2e-tests": "jest --runInBand --config=jest.config.e2e.js",
+    "e2e": "cd packages/grafana-e2e && yarn start --env BASE_URL=$BASE_URL,CIRCLE_SHA1=$CIRCLE_SHA1,SLOWMO=$SLOWMO --config integrationFolder=../../public/e2e-tests/integration,screenshotsFolder=../../public/e2e-tests/screenShots,fileServerFolder=./cypress,video=false,viewportWidth=1920,viewportHeight=1080,trashAssetsBeforeRuns=false",
+    "e2e-tests": "yarn e2e",
+    "e2e-tests:debug": "SLOWMO=1 yarn e2e --headed --no-exit",
     "api-tests": "jest --notify --watch --config=devenv/e2e-api-tests/jest.js",
     "storybook": "cd packages/grafana-ui && yarn storybook --ci",
     "storybook:build": "cd packages/grafana-ui && yarn storybook:build",