diff --git a/core/modules/field/tests/modules/field_test/config/schema/field_test.schema.yml b/core/modules/field/tests/modules/field_test/config/schema/field_test.schema.yml
index f9ef7b7..bc1661e 100644
--- a/core/modules/field/tests/modules/field_test/config/schema/field_test.schema.yml
+++ b/core/modules/field/tests/modules/field_test/config/schema/field_test.schema.yml
@@ -9,6 +9,9 @@ entity_view_display.field.field_test_multiple:
         test_formatter_setting_multiple:
           type: string
           label: 'Test setting'
+        alter:
+          type: boolean
+          label: 'Test altering'
 
 entity_form_display.field.test_field_widget_multiple:
   type: entity_field_form_display_base
diff --git a/core/modules/field/tests/modules/field_test/src/Plugin/Field/FieldFormatter/TestFieldMultipleFormatter.php b/core/modules/field/tests/modules/field_test/src/Plugin/Field/FieldFormatter/TestFieldMultipleFormatter.php
index a310ad3..ca47572 100644
--- a/core/modules/field/tests/modules/field_test/src/Plugin/Field/FieldFormatter/TestFieldMultipleFormatter.php
+++ b/core/modules/field/tests/modules/field_test/src/Plugin/Field/FieldFormatter/TestFieldMultipleFormatter.php
@@ -32,6 +32,7 @@ class TestFieldMultipleFormatter extends FormatterBase {
   public static function defaultSettings() {
     return array(
       'test_formatter_setting_multiple' => 'dummy test string',
+      'alter' => FALSE,
     ) + parent::defaultSettings();
   }
 
diff --git a/core/modules/migrate_drupal/src/Tests/d6/MigrateFieldFormatterSettingsTest.php b/core/modules/migrate_drupal/src/Tests/d6/MigrateFieldFormatterSettingsTest.php
index bcb6f07..4759dc0 100644
--- a/core/modules/migrate_drupal/src/Tests/d6/MigrateFieldFormatterSettingsTest.php
+++ b/core/modules/migrate_drupal/src/Tests/d6/MigrateFieldFormatterSettingsTest.php
@@ -116,8 +116,6 @@ public function testEntityDisplaySettings() {
     $expected['weight'] = 2;
     $expected['type'] = 'number_integer';
     $expected['settings'] = array(
-      'scale' => 0,
-      'decimal_separator' => '.',
       'thousand_separator' => ',',
       'prefix_suffix' => TRUE,
     );
@@ -126,6 +124,7 @@ public function testEntityDisplaySettings() {
     $expected['weight'] = 3;
     $expected['type'] = 'number_decimal';
     $expected['settings']['scale'] = 2;
+    $expected['settings']['decimal_separator'] = '.';
     $component = $display->getComponent('field_test_three');
     $this->assertEqual($component, $expected);