diff --git a/core/modules/system/tests/src/Functional/Database/FakeRecord.php b/core/modules/system/tests/src/Functional/Database/FakeRecord.php
index aa3a5fe35b..7d09bc1995 100644
--- a/core/modules/system/tests/src/Functional/Database/FakeRecord.php
+++ b/core/modules/system/tests/src/Functional/Database/FakeRecord.php
@@ -9,4 +9,22 @@
  * rather than just a stdClass or array. This class is for testing that
  * functionality. (See testQueryFetchClass() below)
  */
-class FakeRecord {}
+class FakeRecord {
+
+  /**
+   * A class variable.
+   *
+   * @var integer
+   */
+  public $fakeArg;
+
+  /**
+   * Constructs a FakeRecord object with an optional constructor argument.
+   *
+   * @param integer $fakeArg
+   *   A class variable.
+   */
+  public function __construct($fakeArg = 0) {
+    $this->fakeArg = $fakeArg;
+  }
+}
diff --git a/core/tests/Drupal/KernelTests/Core/Database/FetchTest.php b/core/tests/Drupal/KernelTests/Core/Database/FetchTest.php
index 9299e79a01..863f815785 100644
--- a/core/tests/Drupal/KernelTests/Core/Database/FetchTest.php
+++ b/core/tests/Drupal/KernelTests/Core/Database/FetchTest.php
@@ -88,10 +88,11 @@ public function testQueryFetchClass() {
   public function testQueryFetchObjectClass() {
     $records = 0;
     $query = $this->connection->query('SELECT [name] FROM {test} WHERE [age] = :age', [':age' => 25]);
-    while ($result = $query->fetchObject(FakeRecord::class)) {
+    while ($result = $query->fetchObject(FakeRecord::class, [1])) {
       $records += 1;
       $this->assertInstanceOf(FakeRecord::class, $result);
       $this->assertSame('John', $result->name, '25 year old is John.');
+      $this->assertTrue($result->fakeArg == 1, "The record has received an argument through its constructor.");
     }
     $this->assertSame(1, $records, 'There is only one record.');
   }