diff --git a/tests/bootstrap.php b/tests/bootstrap.php
index <HASH>..<HASH> 100644
--- a/tests/bootstrap.php
+++ b/tests/bootstrap.php
@@ -1,16 +1,9 @@
 <?php
-// preload source files
-require dirname(__DIR__) . DIRECTORY_SEPARATOR . 'src.php';
 
-// autoload test files
-spl_autoload_register(
-    function ($class) {
-        $file = dirname(__DIR__). DIRECTORY_SEPARATOR
-              . 'tests' . DIRECTORY_SEPARATOR
-              . str_replace('\\', DIRECTORY_SEPARATOR, $class) . '.php';
-        if (file_exists($file)) {
-            require $file;
-        }
-    }
-);
+error_reporting(-1);
+ini_set('display_errors', 1);
+ini_set('display_startup_errors', 1);
 
+define('AURA_URI_TEST_ROOT', __DIR__);
+
+require __DIR__ . '/../vendor/autoload.php';
Refactors test bootstrap

Sets error reporting to -1 and turns on display errors
Defines a test root constant to aid in finding /tests/_files/*
Makes use of Composer autoloader to ease autoloading of vfsStream