From c01e3bd2f0e5e99a9f6ac80ed99bb2bd38e966c1 Mon Sep 17 00:00:00 2001
From: Jordi Boggiano <j.boggiano@seld.be>
Date: Fri, 16 Oct 2020 11:23:03 +0200
Subject: [PATCH] Make async test more robust

---
 tests/Composer/Test/Util/ProcessExecutorTest.php | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/tests/Composer/Test/Util/ProcessExecutorTest.php b/tests/Composer/Test/Util/ProcessExecutorTest.php
index a05f49c72..be4af49f1 100644
--- a/tests/Composer/Test/Util/ProcessExecutorTest.php
+++ b/tests/Composer/Test/Util/ProcessExecutorTest.php
@@ -119,10 +119,13 @@ class ProcessExecutorTest extends TestCase
     {
         $process = new ProcessExecutor($buffer = new BufferIO('', StreamOutput::VERBOSITY_DEBUG));
         $process->enableAsync();
+        $start = microtime(true);
         /** @var Promise $promise */
-        $promise = $process->executeAsync('echo foo');
+        $promise = $process->executeAsync('sleep 2');
         $this->assertEquals(1,  $process->countActiveJobs());
         $promise->cancel();
         $this->assertEquals(0,  $process->countActiveJobs());
+        $end = microtime(true);
+        $this->assertTrue($end - $start < 0.5, 'Canceling took longer than it should, lasted '.($end - $start));
     }
 }