diff -u b/core/modules/views/tests/src/Unit/ManyToOneHelperTest.php b/core/modules/views/tests/src/Unit/ManyToOneHelperTest.php
--- b/core/modules/views/tests/src/Unit/ManyToOneHelperTest.php
+++ b/core/modules/views/tests/src/Unit/ManyToOneHelperTest.php
@@ -54,11 +54,11 @@
   /**
    * @covers ::addTable
    */
-  public function testAddTableWithNonExistentTable() {
+  public function testAddTableWithNonExistingTable() {
     $container = new ContainerBuilder();
     $views_data = $this->prophesize(ViewsData::class);
     // Test a non-existent table.
-    $views_data->get('left_table')->willReturn('');
+    $views_data->get('non_existing_left_table')->willReturn('');
     $container->set('views.views_data', $views_data->reveal());
     \Drupal::setContainer($container);
 
@@ -67,7 +67,7 @@
     $join = $this->prophesize(JoinPluginBase::class);
     $query = $this->prophesize(Sql::class);
 
-    $join->leftTable = 'left_table';
+    $join->leftTable = 'non_existing_left_table';
     $join->table = 'base_table';
 
     $query->addTable('table', 'relationship', Argument::any(), NULL)