Re-enable VSCode e2e tests

.chronus/changes/reenable-vscode-e2e-tests-2026-7-24-0-0-0.md

@@ -0,0 +1,7 @@
+---
+changeKind: internal
+packages:
+  - typespec-vscode
+---
+
+Re-enable the VS Code e2e tests (`test:web` and `test:extension`) that were temporarily skipped due to a hang in CI with the VS Code 1.130.0 release. Both tests are now pinned to VS Code 1.129.1 to avoid the regression until it is fixed upstream.

packages/typespec-vscode/package.json

@@ -281,8 +281,8 @@
     "package-vsix": "vsce package",
     "deploy": "vsce publish",
     "open-in-browser": "vscode-test-web --extensionDevelopmentPath=. .",
-    "test:e2e": "echo 'Skipping vscode e2e tests: test:web and test:extension both pull the latest VS Code build, which hung CI on the 1.130.0 release. Re-enable once pinned/timeout-guarded.'",
-    "test:web": "vscode-test-web --quality stable --extensionDevelopmentPath=. --headless --extensionTestsPath=dist/test/web/suite.js ./test/web/data",
+    "test:e2e": "pnpm test:web && pnpm test:extension",
+    "test:web": "vscode-test-web --quality stable --commit=8a7abeba6e03ea3af87bfbce9a1b7e48fed567b8 --extensionDevelopmentPath=. --headless --extensionTestsPath=dist/test/web/suite.js ./test/web/data",
     "test:extension": "vitest run --root test/extension"
   },
   "devDependencies": {

packages/typespec-vscode/test/extension/common/download-setup.ts

@@ -1,6 +1,11 @@
 import { download } from "@vscode/test-electron";
 import type { TestProject } from "vitest/node";
 
+// VS Code 1.130.0 introduced a regression that causes the E2E tests to hang.
+// Pin to 1.129.1 until the regression is resolved in a later release.
+// See https://github.com/microsoft/typespec/issues/11369
+const VSCODE_PINNED_VERSION = "1.129.1";
+
 /**
  * The global method will download a brand new vscode to your local computer.
  * Subsequent cases will be executed in this vscode.
@@ -9,7 +14,7 @@ export default async function downloadVscode({ provide }: TestProject) {
   if (process.env.VSCODE_E2E_DOWNLOAD_PATH) {
     provide("executablePath", process.env.VSCODE_E2E_DOWNLOAD_PATH);
   } else {
-    provide("executablePath", await download());
+    provide("executablePath", await download({ version: VSCODE_PINNED_VERSION }));
   }
 }