Fixes to tests on PHP 5.4

.travis.yml

@@ -15,7 +15,5 @@ addons:
   apt:
     packages:
     - python3
-before_script:
-- composer require danog/phpstruct --ignore-platform-reqs
 script:
 - "tests/testing.php"

tests/testing.php

@@ -1,7 +1,9 @@
 #!/usr/bin/env php
 <?php
-
 require 'vendor/autoload.php';
+require 'StructClass.php';
+require 'Struct.php';
+require 'StructTools.php';
 function get_time($callable, $param)
 {
     $a = microtime(true);