Remove migration e2e testing (#1479)

Author: mszostok

.github/workflows/branch-build.yml

@@ -213,80 +213,6 @@ jobs:
           SLACK_WEBHOOK: ${{ secrets.SLACK_CI_ALERTS_WEBHOOK }}
           SLACK_FOOTER: "Fingers crossed it's just an outdated/flaky test..."
 
-  cli-migration-e2e:
-    name: CLI Migration E2E tests
-    runs-on: ubuntu-latest
-    needs: [ build ]
-    permissions:
-      contents: read
-      packages: read
-    concurrency:
-      group: cli-migration-e2e
-      cancel-in-progress: false
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-        with:
-          persist-credentials: false
-      - name: Install GoReleaser
-        uses: goreleaser/goreleaser-action@v5
-        with:
-          install-only: true
-          version: latest
-      - name: Setup Go
-        uses: actions/setup-go@v5
-        with:
-          go-version-file: 'go.mod'
-          cache: true
-      - name: Setup Go modules
-        uses: ./.github/actions/setup-go-mod-private
-        with:
-          access_token: ${{ secrets.E2E_TEST_GH_DEV_ACCOUNT_PAT }}
-          username: ${{ env.GIT_USER }}
-      - name: Run GoReleaser
-        run: make build-single-arch-cli
-      - name: Add botkube alias
-        run: |
-          echo BOTKUBE_BINARY_PATH="$PWD/dist/botkube-cli_linux_amd64_v1/botkube" >> $GITHUB_ENV
-      - name: Install Helm
-        uses: azure/setup-helm@v3
-        with:
-          version: ${{ env.HELM_VERSION }}
-      - name: Download k3d
-        run: "wget -q -O - https://raw.githubusercontent.com/k3d-io/k3d/main/install.sh | TAG=${K3D_VERSION} bash"
-      - name: Create k3d cluster
-        run: "k3d cluster create cli-migration-e2e-cluster --wait --timeout=5m"
-      - name: Run e2e tests for botkube client
-        env:
-          DISCORD_BOT_ID: ${{ secrets.DISCORD_BOT_ID }}
-          DISCORD_BOT_TOKEN: ${{ secrets.DISCORD_BOT_TOKEN }}
-          DISCORD_GUILD_ID: ${{ secrets.DISCORD_GUILD_ID }}
-          DISCORD_TESTER_APP_TOKEN: ${{ secrets.DISCORD_TESTER_APP_TOKEN }}
-          BOTKUBE_CLOUD_DEV_GQL_ENDPOINT: ${{ secrets.BOTKUBE_CLOUD_DEV_GQL_ENDPOINT }}
-          BOTKUBE_CLOUD_DEV_REFRESH_TOKEN: ${{ secrets.BOTKUBE_CLOUD_DEV_REFRESH_TOKEN }}
-          BOTKUBE_CLOUD_DEV_AUTH0_CLIENT_ID: ${{ secrets.BOTKUBE_CLOUD_DEV_AUTH0_CLIENT_ID }}
-        run: |
-          KUBECONFIG=$(k3d kubeconfig write cli-migration-e2e-cluster) make test-cli-migration-e2e
-
-      - name: Dump cluster state
-        if: ${{ failure() }}
-        uses: ./.github/actions/dump-cluster
-        with:
-          name: cli-migration-e2e
-
-      - name: Slack Notification
-        uses: rtCamp/action-slack-notify@v2
-        if: ${{ failure() }}
-        env:
-          SLACK_USERNAME: Botkube Cloud CI
-          SLACK_COLOR: 'red'
-          SLACK_TITLE: 'Message'
-          SLACK_CHANNEL: 'botkube-cloud-ci-alerts'
-          SLACK_MESSAGE: 'CLI Migration E2E tests failed :scream:'
-          SLACK_ICON_EMOJI: ':this-is-fine-fire:'
-          SLACK_FOOTER: "Fingers crossed it's just an outdated/flaky test..."
-          SLACK_WEBHOOK: ${{ secrets.SLACK_CI_ALERTS_WEBHOOK }}
-
   cloud-slack-dev-e2e:
     name: Botkube Cloud Slack Dev E2E
     runs-on: ubuntu-latest