Port remaining Puppeteer tests over to Cypress (#9104)

* Port remaining Puppeteer tests over to Cypress

* Remove puppeteer support files

* Fix lifecycle matrixclientpeg setup race condition

* Alternative solution to the lifecycle problem

* Dismiss the notifications toast

.github/workflows/end-to-end-tests.yaml

@@ -1,57 +0,0 @@
-name: End-to-end Tests
-on:
-  # These tests won't work for non-develop branches at the moment as they
-  # won't pull in the right versions of other repos, so they're only enabled
-  # on develop.
-  push:
-    branches: [ develop, master ]
-  pull_request:
-    branches: [ develop ]
-  repository_dispatch:
-    types: [ upstream-sdk-notify ]
-env:
-  # These must be set for fetchdep.sh to get the right branch
-  REPOSITORY: ${{ github.repository }}
-  PR_NUMBER: ${{ github.event.pull_request.number }}
-jobs:
-  end-to-end:
-    runs-on: ubuntu-latest
-    container: vectorim/element-web-ci-e2etests-env:latest
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v2
-
-      - uses: actions/setup-node@v3
-        with:
-          cache: 'yarn'
-
-      - name: Prepare End-to-End tests
-        run: ./scripts/ci/prepare-end-to-end-tests.sh
-
-      - name: Run End-to-End tests
-        run: ./scripts/ci/run-end-to-end-tests.sh
-
-      - name: Archive logs
-        uses: actions/upload-artifact@v2
-        if: ${{ always() }}
-        with:
-          path: |
-            test/end-to-end-tests/logs/**/*
-            test/end-to-end-tests/synapse/installations/consent/homeserver.log
-            retention-days: 14
-
-      - name: Store benchmark result
-        if: github.ref == 'refs/heads/develop' && github.repository == 'matrix-org/matrix-react-sdk'
-        uses: matrix-org/github-action-benchmark@jsperfentry-1
-        with:
-          tool: 'jsperformanceentry'
-          output-file-path: test/end-to-end-tests/performance-entries.json
-          # This is the default dashboard path. It's included here anyway to
-          # make the difference from the Cypress variant in
-          # `element-build-and-test.yaml` more obvious.
-          # The dashboard is available at https://matrix-org.github.io/matrix-react-sdk/dev/bench/
-          benchmark-data-dir-path: dev/bench
-          fail-on-alert: false
-          comment-on-alert: false
-          github-token: ${{ secrets.ELEMENT_BOT_TOKEN }}
-          auto-push: ${{ github.ref == 'refs/heads/develop' }}