chore: do not run windows tests in the test-script environment

Source-Link: googleapis/synthtool@490078a
Post-Processor: gcr.io/cloud-devrel-public-resources/owlbot-nodejs:latest@sha256:7c7ecb30ffac77ebdacd15f4b1c6c888f01c212832b9efd73fbf4bfc1284b7d4

Author: gcf-owl-bot[bot]

.github/scripts/package.json

@@ -0,0 +1,21 @@
+{
+    "name": "tests",
+    "private": true,
+    "description": "tests for script",
+    "scripts": {
+        "test": "mocha tests/close-invalid-link.test.cjs && mocha tests/close-or-remove-response-label.test.cjs"
+    },
+    "author": "Google Inc.",
+    "license": "Apache-2.0",
+    "engines": {
+        "node": ">=18"
+    },
+    "dependencies": {
+        "js-yaml": "^4.1.0"
+    },
+    "devDependencies": {
+        "@octokit/rest": "^19.0.0",
+        "mocha": "^10.0.0",
+        "sinon": "^18.0.0"
+    }
+}

.github/workflows/ci.yaml

@@ -26,6 +26,20 @@ jobs:
       - run: npm test
         env:
           MOCHA_THROW_DEPRECATION: false
+  test-script:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 18
+      - run: node --version
+      - run: npm install --engine-strict
+        working-directory: .github/scripts
+      - run: npm test
+        working-directory: .github/scripts
+        env:
+          MOCHA_THROW_DEPRECATION: false
   windows:
     runs-on: windows-latest
     steps: