Add sleep in FPM reload test

Explicitly mark the point where we have to wait.

Author: nikic

sapi/fpm/tests/reload-uses-sigkill-as-last-measure.phpt

@@ -4,6 +4,7 @@ If SIGQUIT and SIGTERM during reloading fail, SIGKILL should be sent
 <?php
 include "skipif.inc";
 if (!function_exists('pcntl_sigprocmask')) die('skip Requires pcntl_sigprocmask()');
+if (getenv('SKIP_SLOW_TESTS')) die('skip slow tests excluded by request');
 ?>
 --FILE--
 <?php
@@ -38,6 +39,9 @@ $tester->request()->expectEmptyBody();
 $tester->signal('USR2');
 $tester->expectLogNotice('Reloading in progress ...');
 $tester->expectLogNotice('reloading: .*');
+// The timeout needs to elapse twice until the process will be killed,
+// so we have to wait at least two seconds.
+sleep(2);
 $tester->expectLogNotice('using inherited socket fd=\d+, "127.0.0.1:\d+"');
 $tester->expectLogStartNotices();
 $tester->ping('{{ADDR}}');

sapi/fpm/tests/tester.inc

@@ -622,7 +622,7 @@ class Tester
         $read = [$this->outDesc];
         $write = null;
         $except = null;
-        if (stream_select($read, $write, $except, $timeout=5)) {
+        if (stream_select($read, $write, $except, $timeout=3)) {
             return fgets($this->outDesc);
         } else {
             return null;