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Attempt to fix flaky util-app test in GitHub CI #310

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Attempt to fix flaky util-app test in GitHub CI #310

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6 changes: 5 additions & 1 deletion util-app/src/test/scala/com/twitter/app/AppTest.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -54,7 +54,7 @@ class WeNeverCloseButWeDoNotCare extends WeNeverClose {
}

trait ErrorOnExitApp extends App {
override val defaultCloseGracePeriod: Duration = 10.seconds
override val defaultCloseGracePeriod: Duration = 30.seconds

override def exitOnError(throwable: Throwable): Unit = {
throw throwable
Expand Down Expand Up @@ -397,6 +397,10 @@ class AppTest extends AnyFunSuite {
}

test("App: exit functions properly capture mix of non-fatal and fatal exceptions") {
// This test case is known to be flaky on GitHub CI because it throws a `TimeoutException` before the expected
// `InterruptedException` is thrown.
// I suspect this is due to CI has limited CPU resources compared to local development while running lots of test
// suites in parallel.
val app = new ErrorOnExitApp {
def main(): Unit = {
onExit {
Expand Down