revert to isolated test runners

.github/workflows/nightly-kind-test.yml

@@ -42,25 +42,29 @@ jobs:
 
   test:
     needs: build
-    runs-on: ${{ github.actor }}-x86
+    runs-on: ubuntu-20.04
     strategy:
       matrix:
         values_file: ["default.yaml", "3-validators.yaml"]
-    outputs:
-      e2e_list: ${{ steps.e2e_list.outputs.list }}
-      bench_list: ${{ steps.bench_list.outputs.list }}
     steps:
       - uses: actions/checkout@v4
         with: { ref: "${{ env.GIT_COMMIT }}" }
       - uses: ./.github/ci-setup-action
+      - name: Setup and Test
+        uses: ./.github/ensure-tester-with-images
+        timeout-minutes: 45
         with:
-          concurrency_key: build-x86
-      # prepare images locally, tagged by commit hash
-      - name: "Build E2E Image"
-        timeout-minutes: 40
-        run: |
-          ./spartan/scripts/setup_local_k8s.sh
-          ./scripts/earthly-ci --exec-stats -P --no-output ./yarn-project/end-to-end/+network-transfer --values-file=${{ matrix.values_file }}
+          runner_type: ${{ contains(matrix.test, 'prover') && '64core-tester-x86' || '16core-tester-x86' }}
+          builder_type: builder-x86
+          # these are copied to the tester and expected by the earthly command below
+          # if they fail to copy, it will try to build them on the tester and fail
+          builder_images_to_copy: aztecprotocol/aztec:${{ env.GIT_COMMIT }} aztecprotocol/end-to-end:${{ env.GIT_COMMIT }}
+          # command to produce the images in case they don't exist
+          builder_command: scripts/earthly-ci ./yarn-project+export-e2e-test-images
+          tester_ttl: 40
+          run: |
+            ./spartan/scripts/setup_local_k8s.sh
+            ./scripts/earthly-ci --exec-stats -P --no-output ./yarn-project/end-to-end/+network-transfer --values-file=${{ matrix.values_file }}
 
   notify:
     needs: