diff --git a/tests/modules/admin/forms/Document/CollectionsTest.php b/tests/modules/admin/forms/Document/CollectionsTest.php
index 7c6923cd1..1ef04a7ee 100644
--- a/tests/modules/admin/forms/Document/CollectionsTest.php
+++ b/tests/modules/admin/forms/Document/CollectionsTest.php
@@ -78,7 +78,7 @@ public function testPopulateFromPost()
 
         $subforms = $form->getSubForms();
 
-        $this->assertInternalType('array', $subforms);
+        $this->assertIsArray($subforms);
         $this->assertArrayHasKey('ddc2', $subforms);
 
         $ddcform = $subforms['ddc2'];
@@ -100,7 +100,7 @@ public function testFormNameRendering()
 
         $html = $form->render();
 
-        $this->assertContains('id="ddc2"', $html);
+        $this->assertStringContainsString('id="ddc2"', $html);
     }
 
     public function testGetGroupedCollections()