1 files changed, 1 insertions, 1 deletions
diff --git a/tests/PHPUnit/Integration/Application/Kernel/PluginListTest.php b/tests/PHPUnit/Integration/Application/Kernel/PluginListTest.php
index 35d6999446..a8f0df2369 100644
--- a/tests/PHPUnit/Integration/Application/Kernel/PluginListTest.php
+++ b/tests/PHPUnit/Integration/Application/Kernel/PluginListTest.php
@@ -22,7 +22,7 @@ class PluginListTest extends \PHPUnit\Framework\TestCase
      */
     private $pluginList = array();
 
-    public function setUp()
+    public function setUp(): void
     {
         parent::setUp();
         $this->pluginList = $this->makePluginList();