diff -u b/core/modules/field/tests/src/FunctionalJavascript/FormTest.php b/core/modules/field/tests/src/FunctionalJavascript/FormTest.php
--- b/core/modules/field/tests/src/FunctionalJavascript/FormTest.php
+++ b/core/modules/field/tests/src/FunctionalJavascript/FormTest.php
@@ -2,31 +2,22 @@
 
 namespace Drupal\Tests\field\FunctionalJavascript;
 
-use Drupal\FunctionalJavascriptTests\JavascriptTestBase;
+use Drupal\Core\Entity\Entity\EntityFormDisplay;
 use Drupal\Core\Field\FieldStorageDefinitionInterface;
 use Drupal\field\Entity\FieldConfig;
 use Drupal\field\Entity\FieldStorageConfig;
+use Drupal\FunctionalJavascriptTests\JavascriptTestBase;
 
 /**
- * Tests the JavaScript library caching on consecutive requests.
+ * Tests add more behavior for a multiple value field.
  *
- * @group views_ui
+ * @group field
  */
-class FormTest extends JavascriptTestBase {
-
-  /**
-   * An array of values defining a field with unlimited cardinality.
-   *
-   * @var array
-   */
-  protected $fieldStorageUnlimited;
-
+class FormJSAddMoreTest extends JavascriptTestBase {
   /**
-   * An array of values defining a field.
-   *
-   * @var array
+   * {@inheritdoc}
    */
-  protected $field;
+  public static $modules = ['field_test', 'entity_test'];
 
   /**
    * {@inheritdoc}
@@ -40,15 +31,9 @@
     ]);
     $this->drupalLogin($account);
 
-    $this->fieldStorageUnlimited = array(
+    $field = array(
       'field_name' => 'field_unlimited',
       'entity_type' => 'entity_test',
-      'type' => 'test_field',
-      'cardinality' => FieldStorageDefinitionInterface::CARDINALITY_UNLIMITED,
-    );
-
-    $this->field = array(
-      'entity_type' => 'entity_test',
       'bundle' => 'entity_test',
       'label' => $this->randomMachineName() . '_label',
       'description' => '[site:name]_description',
@@ -58,21 +43,17 @@
       ),
     );
 
-    $field_storage = $this->fieldStorageUnlimited;
-    $field_name = $field_storage['field_name'];
-    $this->field['field_name'] = $field_name;
-
-    FieldStorageConfig::create($field_storage)->save();
-    FieldConfig::create($this->field)->save();
-    entity_get_form_display($this->field['entity_type'], $this->field['bundle'], 'default')
-      ->setComponent($field_name)
-      ->save();
-  }
+    FieldStorageConfig::create(array(
+      'field_name' => 'field_unlimited',
+      'entity_type' => 'entity_test',
+      'type' => 'test_field',
+      'cardinality' => FieldStorageDefinitionInterface::CARDINALITY_UNLIMITED,
+    ))->save();
+    FieldConfig::create($field)->save();
 
-  /**
-   * {@inheritdoc}
-   */
-  public static $modules = ['field_test', 'entity_test'];
+    $entity_form_display = EntityFormDisplay::load($field['entity_type'] . '.' . $field['bundle'] . '.default');
+    $entity_form_display->setComponent($field['field_name'])->save();
+  }
 
   function testFieldFormJSAddMore() {
     $this->drupalGet('entity_test/add');
@@ -91,7 +72,7 @@
 
     // Validate the existence of the new field.
     $field_1 = $page->findField('field_unlimited[1][value]');
-    $this->assertNotEmpty($field_1, 'Succesfully added another item.');
+    $this->assertNotEmpty($field_1, 'Successfully added another item.');
 
     // Validate the value of the first field has not changed.
     $this->assertEquals($field_0->getValue(), '1', 'Value for the first item has not changed.');
@@ -105,7 +86,7 @@
 
     // Assert successful creation.
     $field_2 = $page->findField('field_unlimited[2][value]');
-    $this->assertNotEmpty($field_2, 'Succesfully added another item.');
+    $this->assertNotEmpty($field_2, 'Successfully added another item.');
 
     // Set values for the 2nd and 3rd fields to validate dragging.
     $field_1->setValue('2');