feat: work on CI core-related workflows

Author: arwer13

.github/workflows/core_tests.yml

@@ -0,0 +1,38 @@
+name: Normal vote CI
+
+on:
+  push:
+    branches-ignore:
+      - "master"
+      - "feat/tests"
+      - "feat/rc3"
+      - "feat/rc2"
+      - "feat/rc1"
+      - "feat/next-vote"
+  schedule:
+    - cron: "0 0 * * TUE"
+jobs:
+  run-tests:
+    name: Run all tests on NORMAL runner
+    runs-on: "ubuntu-latest"
+    timeout-minutes: 100
+
+    services:
+      hardhat-node:
+        image: ghcr.io/lidofinance/hardhat-node:2.22.19.2-shanghai
+        ports:
+          - 8555:8545
+        env:
+          ETH_RPC_URL: "https://mainnet.infura.io/v3/${{ secrets.WEB3_INFURA_PROJECT_ID }}"
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Check that the fork is ready
+        shell: bash
+        run: timeout 30 bash -c 'until printf "" 2>>/dev/null >>/dev/tcp/$0/$1; do sleep 1; done' 127.0.0.1 8555
+
+      - name: Core tests
+        uses: ./.github/actions/core_tests
+        with:
+          vote: "normal"