add uncaught exception handler

Author: Mine Starks

source/vscode/test/runTests.mjs

@@ -48,6 +48,13 @@ const thisDir = dirname(fileURLToPath(import.meta.url));
 // The folder containing the Extension Manifest package.json
 const extensionDevelopmentPath = join(thisDir, "..");
 
+// @vscode/test-web tends to throw uncaught exceptions on network failures
+// https://github.com/microsoft/vscode-test-web/issues/175
+// Workaround copied from https://github.com/hilleer/vscode-yaml-plus-json/pull/146/files
+process.on("uncaughtException", () => {
+  console.warn("Ignoring uncaught exception during test run.");
+}); // ignore those, expected, should still be able to rely on tests
+
 try {
   const suites = ["language-service", "debugger"];
   const toRun =
@@ -91,6 +98,7 @@ async function runSuite(name) {
         break;
       } catch (err) {
         // Until the @vscode/test-web library is more robust, we have our own retry logic for VS Code download errors.
+        // https://github.com/microsoft/vscode-test-web/issues/175
         // We want to be conservative about what errors we retry on, to avoid masking real test failures.
         //
         // Pattern for network errors adapted from