diff --git a/tests/CrawlerProcess/sleeping.py b/tests/CrawlerProcess/sleeping.py
index 420d9d328..45479ea4f 100644
--- a/tests/CrawlerProcess/sleeping.py
+++ b/tests/CrawlerProcess/sleeping.py
@@ -14,7 +14,7 @@ class SleepingSpider(scrapy.Spider):
         from twisted.internet import reactor
 
         d = Deferred()
-        reactor.callLater(3, d.callback, None)
+        reactor.callLater(int(self.sleep), d.callback, None)
         await maybe_deferred_to_future(d)
 
 
diff --git a/tests/test_crawler.py b/tests/test_crawler.py
index 60b92377d..5c11ca6e0 100644
--- a/tests/test_crawler.py
+++ b/tests/test_crawler.py
@@ -525,7 +525,7 @@ class CrawlerProcessSubprocess(ScriptRunnerMixin, unittest.TestCase):
 
     def test_shutdown_graceful(self):
         sig = signal.SIGINT if sys.platform != "win32" else signal.SIGBREAK
-        args = self.get_script_args("sleeping.py")
+        args = self.get_script_args("sleeping.py", "-a", "sleep=3")
         p = PopenSpawn(args, timeout=5)
         p.expect_exact("Spider opened")
         p.expect_exact("Crawled (200)")
@@ -536,7 +536,7 @@ class CrawlerProcessSubprocess(ScriptRunnerMixin, unittest.TestCase):
 
     def test_shutdown_forced(self):
         sig = signal.SIGINT if sys.platform != "win32" else signal.SIGBREAK
-        args = self.get_script_args("sleeping.py")
+        args = self.get_script_args("sleeping.py", "-a", "sleep=10")
         p = PopenSpawn(args, timeout=5)
         p.expect_exact("Spider opened")
         p.expect_exact("Crawled (200)")