Issue #2386325 by Gábor Hojtsy: Recurring config schema problems with datetime...

Issue #2386325 by Gábor Hojtsy: Recurring config schema problems with datetime and link field values in migrate tests

core/modules/link/config/schema/link.schema.yml

@@ -60,7 +60,7 @@ field.field_settings.link:
       type: integer
       label: 'Allowed link type'
 
-field.link.value:
+field.value.link:
   type: mapping
   label: 'Default value'
   mapping:

core/modules/migrate_drupal/src/Plugin/migrate/process/d6/FieldInstanceDefaults.php

@@ -42,7 +42,8 @@ public function transform($value, MigrateExecutable $migrate_executable, Row $ro
 
       case 'date_select':
         if (!empty($widget_settings['default_value'])) {
-          $default['value'] = $widget_settings['default_value'];
+          $default['default_date_type'] = 'relative';
+          $default['default_date'] = $widget_settings['default_value'];
         }
         break;
 

core/modules/migrate_drupal/src/Tests/d6/MigrateFieldInstanceTest.php

@@ -19,6 +19,15 @@
  */
 class MigrateFieldInstanceTest extends MigrateDrupalTestBase {
 
+  /**
+   * Set to TRUE to strict check all configuration saved.
+   *
+   * @see \Drupal\Core\Config\Testing\ConfigSchemaChecker
+   *
+   * @var bool
+   */
+  protected $strictConfigSchema = TRUE;
+
   /**
    * Modules to enable.
    *
@@ -144,7 +153,6 @@ public function testFieldInstanceSettings() {
     $this->assertEqual($field->getSettings(), $expected);
     $this->assertEqual('default link title', $entity->field_test_link->title, 'Field field_test_link default title is correct.');
     $this->assertEqual('http://drupal.org', $entity->field_test_link->url, 'Field field_test_link default title is correct.');
-
   }
 
   /**