diff --git a/tests/Ion_TestCase.php b/tests/Ion_TestCase.php
index 0f26837..0e77495 100644
--- a/tests/Ion_TestCase.php
+++ b/tests/Ion_TestCase.php
@@ -16,12 +16,10 @@
 
 namespace Aviat\Ion\Tests;
 
+use function Aviat\Ion\_dir;
+
 use Aura\Web\WebFactory;
 use Aviat\Ion\Json;
-use GuzzleHttp\Client;
-use GuzzleHttp\Handler\MockHandler;
-use GuzzleHttp\HandlerStack;
-use GuzzleHttp\Psr7\Response;
 use PHPUnit\Framework\TestCase;
 use Zend\Diactoros\ServerRequestFactory;
 use Zend\Diactoros\Response as HttpResponse;
diff --git a/tests/JsonTest.php b/tests/JsonTest.php
index f16fad6..91c4592 100644
--- a/tests/JsonTest.php
+++ b/tests/JsonTest.php
@@ -16,6 +16,8 @@
 
 namespace Aviat\Ion\Tests;
 
+use function Aviat\Ion\_dir;
+
 use Aviat\Ion\{Json, JsonException};
 
 class JsonTest extends Ion_TestCase {
diff --git a/tests/View/HtmlViewTest.php b/tests/View/HtmlViewTest.php
index 4d074fa..fe45c2f 100644
--- a/tests/View/HtmlViewTest.php
+++ b/tests/View/HtmlViewTest.php
@@ -16,9 +16,9 @@
 
 namespace Aviat\Ion\Tests\View;
 
-use Aviat\Ion\Tests\TestHtmlView;
+use function Aviat\Ion\_dir;
 
-use function _dir;
+use Aviat\Ion\Tests\TestHtmlView;
 
 class HtmlViewTest extends HttpViewTest {
 
diff --git a/tests/bootstrap.php b/tests/bootstrap.php
index a1f1e4b..799b11e 100644
--- a/tests/bootstrap.php
+++ b/tests/bootstrap.php
@@ -10,30 +10,12 @@ if ($timezone === '' || $timezone === FALSE)
 	ini_set('date.timezone', 'GMT');
 }
 
-
-// -----------------------------------------------------------------------------
-// Global functions
-// -----------------------------------------------------------------------------
-
-/**
- * Joins paths together. Variadic to take an
- * arbitrary number of arguments
- *
- * @return string
- */
-function _dir()
-{
-	return implode(DIRECTORY_SEPARATOR, func_get_args());
-}
-
 // -----------------------------------------------------------------------------
 // Autoloading
 // -----------------------------------------------------------------------------
-
-require 'Ion_TestCase.php';
-
 // Composer autoload
-require __DIR__ . '/../vendor/autoload.php';
+require realpath(__DIR__ . '/../vendor/autoload.php');
+require 'Ion_TestCase.php';
 
 // -----------------------------------------------------------------------------
 // Ini Settings