Add flaky e2e test stage

Signed-off-by: perdasilva <perdasilva@redhat.com>

.github/workflows/flaky-e2e-tests.yml

@@ -0,0 +1,24 @@
+name: flaky-e2e
+on:
+  schedule:
+    - cron: '30 5,17 * * *' # run this every day at 5:30 and 17:30 UTC (00:30 and 12:30 ET)
+  push:
+    branches:
+      - master
+  pull_request:
+  workflow_dispatch:
+jobs:
+  e2e-tests:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v1
+      - uses: actions/setup-go@v2
+        with:
+          go-version: '~1.17'
+      - run: make e2e-local E2E_NODES=1 TEST='\[FLAKY\]' ARTIFACTS_DIR=./artifacts/
+      - name: Archive Test Artifacts # test results, failed or not, are always uploaded.
+        if: ${{ always() }}
+        uses: actions/upload-artifact@v2
+        with:
+          name: e2e-test-output-${{(github.event.pull_request.head.sha||github.sha)}}-${{ github.run_id }}
+          path: ${{ github.workspace }}/bin/artifacts/*