Create stubs for testing uuid_* methods for environments without pecl/uuid

tests/bootstrap.php

@@ -1,6 +1,28 @@
 <?php
+// @codingStandardsIgnoreFile
+
 include __DIR__ . '/../vendor/autoload.php'; // composer autoload
 
+if (!function_exists('uuid_create')) {
+    // Create stub of method so AspectMock can mock this function
+    // if it doesn't exist in PHP.
+    function uuid_create() {}
+}
+
+if (!function_exists('uuid_parse')) {
+    // Create stub of method so AspectMock can mock this function
+    // if it doesn't exist in PHP.
+    function uuid_parse() {}
+}
+
+if (!defined('UUID_TYPE_TIME')) {
+    define('UUID_TYPE_TIME', 1);
+}
+
+if (!defined('UUID_TYPE_RANDOM')) {
+    define('UUID_TYPE_RANDOM', 4);
+}
+
 $kernel = \AspectMock\Kernel::getInstance();
 $kernel->init([
     'debug' => true,