ci: Cache VSCode Insiders for test runners

.github/workflows/ci.yml

@@ -32,6 +32,7 @@ jobs:
           cache: yarn
       - run: yarn install --immutable
       - run: yarn pretest
+      - run: yarn test:precache
       - run: yarn compile
 
   unit:
@@ -120,7 +121,6 @@ jobs:
         name: Run system tests
 
   release:
-    name: Package and release to VS Code marketplace
     runs-on: ubuntu-latest
     needs: [unit, integration, system]
     if: github.ref == 'refs/heads/master'

package.json

@@ -428,6 +428,7 @@
     "vscode:prepublish": "yarn run compile",
     "lint": "eslint . --ext .ts",
     "pretest": "yarn run lint && tsc --strict --skipLibCheck",
+    "test:precache": "node -e 'require(\"@vscode/test-electron\").downloadAndUnzipVSCode()'",
     "test:integration": "ts-node ./test/integrationTest.ts",
     "test:web-client": "mocha web/test/*.test.mjs",
     "test:system": "ts-node test/systemTest.ts",