Explicit timezone settings in e_DateTest and e_formTest

tests/unit/e_dateTest.php

@@ -18,6 +18,7 @@
 		{
 			// Expected values made using the C locale
 			setlocale(LC_TIME, 'C');
+			date_default_timezone_set('UTC');
 
 			try
 			{

tests/unit/e_formTest.php

@@ -704,6 +704,7 @@ class e_formTest extends \Codeception\Test\Unit
 	*/
 	public function testRenderValue()
 	{
+		date_default_timezone_set('America/Los_Angeles');
 
 		$frm = $this->_frm;