diff --git a/core/modules/system/src/Tests/Database/SelectTest.php b/core/modules/system/src/Tests/Database/SelectTest.php
index bba0d73..d92c3a8 100644
--- a/core/modules/system/src/Tests/Database/SelectTest.php
+++ b/core/modules/system/src/Tests/Database/SelectTest.php
@@ -42,7 +42,7 @@ function testSimpleComment() {
     $expected = "/* Testing query comments */";
 
     $this->assertEqual(count($records), 4, 'Returned the correct number of rows.');
-    $this->assertNotEqual(FALSE, strpos($query, $expected), 'The flattened query contains the comment string.');
+    $this->assertNotIdentical(FALSE, strpos($query, $expected), 'The flattened query contains the comment string.');
   }
 
   /**
@@ -60,7 +60,7 @@ function testVulnerableComment() {
     $expected = "/* Testing query comments SELECT nid FROM {node}; -- */";
 
     $this->assertEqual(count($records), 4, 'Returned the correct number of rows.');
-    $this->assertNotEqual(FALSE, strpos($query, $expected), 'The flattened query contains the sanitised comment string.');
+    $this->assertNotIdentical(FALSE, strpos($query, $expected), 'The flattened query contains the sanitised comment string.');
   }
 
   /**