Disable one test and add a new utility function (#7486)

Skip problematic tests

extensions/integration-tests/src/utils.ts

@@ -54,6 +54,23 @@ export async function connectToServer(server: TestServerProfile, timeout: number
 	return result.connectionId;
 }
 
+export class PromiseCancelledError extends Error { }
+/**
+ * Wait for a promise to resolve but timeout after a certain amount of time.
+ * It will throw CancelledError when it fails.
+ * @param p promise to wait on
+ * @param timeout time to wait
+ */
+export async function asyncTimeout<T>(p: Thenable<T>, timeout: number): Promise<(T | undefined)> {
+	const timeoutPromise = new Promise<T>((done, reject) => {
+		setTimeout(() => {
+			reject(new PromiseCancelledError('Promise did not resolve in time'));
+		}, timeout);
+	});
+
+	return Promise.race([p, timeoutPromise]);
+}
+
 export async function pollTimeout(predicate: () => Thenable<boolean>, intervalDelay: number, timeoutTime: number): Promise<boolean> {
 	let interval: NodeJS.Timer;
 	return new Promise(pollOver => {