diff --git a/core/modules/system/tests/src/Kernel/Entity/EntityReferenceSelectionReferenceableTest.php b/core/modules/system/tests/src/Kernel/Entity/EntityReferenceSelectionReferenceableTest.php
index c2ca15e1..2110aa8b 100644
--- a/core/modules/system/tests/src/Kernel/Entity/EntityReferenceSelectionReferenceableTest.php
+++ b/core/modules/system/tests/src/Kernel/Entity/EntityReferenceSelectionReferenceableTest.php
@@ -126,7 +126,7 @@ public function testReferenceablesWithNoLabelKey($match, $match_operator, $limit
       // entity labels.
       // @see \Drupal\Core\Entity\EntityReferenceSelection\SelectionInterface::getReferenceableEntities()
       $item = is_string($item) ? Html::escape($item) : $item;
-      $this->assertContains($item, $referenceables[$this->bundle]);
+      $this->assertContainsEquals($item, $referenceables[$this->bundle]);
     }
 
     // Test ::countReferenceableEntities().
diff --git a/core/tests/Drupal/Tests/Traits/PhpUnitWarningsCompatibilityTrait.php b/core/tests/Drupal/Tests/Traits/PhpUnitWarningsCompatibilityTrait.php
index 4dd1cd86..7babd00b 100644
--- a/core/tests/Drupal/Tests/Traits/PhpUnitWarningsCompatibilityTrait.php
+++ b/core/tests/Drupal/Tests/Traits/PhpUnitWarningsCompatibilityTrait.php
@@ -26,6 +26,8 @@
     'assertDirectoryNotExists() is deprecated and will be removed in PHPUnit 10. Refactor your code to use assertDirectoryDoesNotExist() instead.',
     'Support for using expectException() with PHPUnit\Framework\Error\Warning is deprecated and will be removed in PHPUnit 10. Use expectWarning() instead.',
     'Support for using expectException() with PHPUnit\Framework\Error\Error is deprecated and will be removed in PHPUnit 10. Use expectError() instead.',
+    'assertDirectoryNotIsWritable() is deprecated and will be removed in PHPUnit 10. Refactor your code to use assertDirectoryIsNotWritable() instead.',
+    'assertFileNotIsWritable() is deprecated and will be removed in PHPUnit 10. Refactor your code to use assertFileIsNotWritable() instead.',
   ];
 
   /**