Updated tests

ext/tests/issue-1716.phpt

@@ -2,6 +2,8 @@
 Phalcon\Logger\Adapter::setLogLevel() is not working properly - https://github.com/phalcon/cphalcon/issues/1716
 --SKIPIF--
 <?php include('skipif.inc'); ?>
+--INI--
+date.timezone=UTC
 --FILE--
 <?php
 $logger = new \Phalcon\Logger\Adapter\Stream("php://stdout");

ext/tests/issue-1742.phpt

@@ -2,6 +2,8 @@
 Phalcon\Logger\Adapter::commit() does not clear the queue - https://github.com/phalcon/cphalcon/issues/1742
 --SKIPIF--
 <?php include('skipif.inc'); ?>
+--INI--
+date.timezone=UTC
 --FILE--
 <?php
 class MyStreamAdapter extends \Phalcon\Logger\Adapter\Stream

ext/tests/psr-3.phpt

@@ -4,6 +4,7 @@ Make Phalcon\Logger compatible with PSR-3
 <?php include('skipif.inc'); ?>
 --INI--
 phalcon.register_psr3_classes = 1
+date.timezone = UTC
 --FILE--
 <?php
 $logger = new \Phalcon\Logger\Adapter\Stream("php://stdout");