Retry VSCode integration tests

This will call `jest.retryTimes` to retry the VSCode integration tests
up to 3 times. This should help with the flaky tests.

extensions/ql-vscode/test/vscode-tests/jest.activated-extension.setup.ts

@@ -15,6 +15,10 @@ import { beforeEachAction } from "./test-config";
 // create an extension storage location
 let removeStorage: tmp.DirResult["removeCallback"] | undefined;
 
+jest.retryTimes(3, {
+  logErrorsBeforeRetry: true,
+});
+
 beforeAll(async () => {
   // Set the CLI version here before activation to ensure we don't accidentally try to download a cli
   await beforeEachAction();

extensions/ql-vscode/test/vscode-tests/jest.setup.ts

@@ -1,6 +1,10 @@
 import { env } from "vscode";
 import { beforeEachAction } from "./test-config";
 
+jest.retryTimes(3, {
+  logErrorsBeforeRetry: true,
+});
+
 beforeEach(async () => {
   jest.spyOn(env, "openExternal").mockResolvedValue(false);