fix: improvements for cypress in cypress testing with snapshots (cypress-io#25256)

Author: ryanthemanuel

packages/frontend-shared/cypress/e2e/e2ePluginSetup.ts

@@ -60,8 +60,8 @@ chai.use(sinonChai)
 
 export async function e2ePluginSetup (on: Cypress.PluginEvents, config: Cypress.PluginConfigOptions) {
   // @ts-ignore getSnapshotResult is injected by the snapshot script
-  if (typeof global.getSnapshotResult === 'undefined') {
-    throw new Error('getSnapshotResult is undefined. v8 snapshots are not being used in Cypress in Cypress')
+  if (!['1', 'true'].includes(process.env.DISABLE_SNAPSHOT_REQUIRE) && typeof global.getSnapshotResult === 'undefined') {
+    throw new Error('getSnapshotResult is undefined. v8 snapshots are not being used in Cypress in Cypress. This can happen if CYPRESS_INTERNAL_E2E_TESTING_SELF_PARENT_PROJECT is not set')
   }
 
   process.env.CYPRESS_INTERNAL_E2E_TESTING_SELF = 'true'

packages/launchpad/package.json

@@ -14,7 +14,7 @@
     "cypress:open:ct": "yarn cypress:run-cypress-in-cypress gulp open --component --project .",
     "cypress:run:ct": "yarn cypress:run-cypress-in-cypress node ../../scripts/cypress run --component --project .",
     "cypress:run:e2e": "yarn cypress:run-cypress-in-cypress node ../../scripts/cypress run --e2e --project .",
-    "dev": "yarn gulp dev --project .",
+    "dev": "yarn cypress:run-cypress-in-cypress gulp dev --project .",
     "start": "echo 'run yarn dev from the root' && exit 1",
     "watch": "echo 'run yarn dev from the root' && exit 1",
     "lint": "eslint --ext .js,.jsx,.ts,.tsx,.json, ."