Fix GH-9770: Add small timeout in status-listen test

This is to allow more time to switch for active to idle in scoreboard as
it seems that Travis is quite short on resources and might not switch it
quickly enough.

Author: bukka

sapi/fpm/tests/status-listen.phpt

@@ -35,6 +35,7 @@ $tester = new FPM\Tester($cfg);
 $tester->start();
 $tester->expectLogStartNotices();
 $tester->request()->expectEmptyBody();
+usleep(100000);
 $tester->status($expectedStatusData, '{{ADDR[status]}}');
 $tester->terminate();
 $tester->expectLogTerminatingNotices();