diff --git a/tests/integration/FindOnSamplePhpdocLayoutTest.php b/tests/integration/FindOnSamplePhpdocLayoutTest.php
index e261682..e62df58 100644
--- a/tests/integration/FindOnSamplePhpdocLayoutTest.php
+++ b/tests/integration/FindOnSamplePhpdocLayoutTest.php
@@ -16,6 +16,7 @@
 use PHPUnit\Framework\TestCase;
 
 use function pathinfo;
+use function sort;
 
 use const PATHINFO_BASENAME;
 
diff --git a/tests/integration/FindOnSamplePhpdocLayoutUsingGlobTest.php b/tests/integration/FindOnSamplePhpdocLayoutUsingGlobTest.php
index 3c680dd..b8c130e 100644
--- a/tests/integration/FindOnSamplePhpdocLayoutUsingGlobTest.php
+++ b/tests/integration/FindOnSamplePhpdocLayoutUsingGlobTest.php
@@ -16,6 +16,7 @@
 use PHPUnit\Framework\TestCase;
 
 use function pathinfo;
+use function sort;
 
 use const PATHINFO_BASENAME;