add some debugging information for flaky test

Author: Hweinstock

packages/core/src/test/shared/utilities/processUtils.test.ts

@@ -364,6 +364,7 @@ function getSleepCmd() {
 async function stopAndWait(cp: ChildProcess, clock: FakeTimers.InstalledClock) {
     cp.stop(true)
     await clock.tickAsync(ChildProcess.stopTimeout * 2)
+    assert.ok(cp.stopped, `Failed to stop process with id: ${cp.pid()}`)
 }
 
 function startSleepProcess(timeout: number = 90) {
@@ -405,7 +406,7 @@ describe('ChildProcessTracker', function () {
         await clock.tickAsync(ChildProcessTracker.pollingInterval)
         assert.strictEqual(tracker.has(childProcess), false, 'process was not removed after stopping')
     })
-    for (const _ of Array.from({ length: 100 })) {
+    for (const _ of Array.from({ length: 1000 })) {
         it('multiple processes from same command are tracked seperately', async function () {
             const childProcess1 = startSleepProcess()
             const childProcess2 = startSleepProcess()
@@ -417,6 +418,10 @@ describe('ChildProcessTracker', function () {
 
             await stopAndWait(childProcess1, clock)
             await clock.tickAsync(ChildProcessTracker.pollingInterval)
+            if (tracker.has(childProcess1)) {
+                console.log('process: %O', childProcess1)
+                console.log('tracker: %O', tracker)
+            }
             assert.strictEqual(tracker.has(childProcess2), true, 'second process was mistakenly removed')
             assert.strictEqual(tracker.has(childProcess1), false, 'first process was not removed after stopping it')
         })