fix(test): flaky test (#5809)

increment the time that we wait for the interval to finish since it runs
slower in ci

---

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Signed-off-by: nkomonen-amazon <[email protected]>

packages/core/src/test/shared/crashMonitoring.test.ts

@@ -186,7 +186,7 @@ export const crashMonitoringTest = async () => {
         }
 
         // Give some extra time since there is a lot of file i/o
-        await awaitIntervals(oneInterval * 2)
+        await awaitIntervals(oneInterval * 3)
 
         assertCrashedExtensions(latestCrashedExts)
     })