1 files changed, 2 insertions, 2 deletions
diff --git a/tests/phpunit/includes/OutputPageTest.php b/tests/phpunit/includes/OutputPageTest.php
index 394d0b263c60..181bc9b5cf75 100644
--- a/tests/phpunit/includes/OutputPageTest.php
+++ b/tests/phpunit/includes/OutputPageTest.php
@@ -22,12 +22,12 @@ class OutputPageTest extends MediaWikiTestCase {
 	// @codingStandardsIgnoreEnd
 
 	// Ensure that we don't affect the global ResourceLoader state.
-	protected function setUp() {
+	protected function setUp() : void {
 		parent::setUp();
 		ResourceLoader::clearCache();
 	}
 
-	protected function tearDown() {
+	protected function tearDown() : void {
 		parent::tearDown();
 		ResourceLoader::clearCache();
 	}