fix fixtures

tests/Fixture/SluggedArticleFixture.php

@@ -5,10 +5,8 @@ namespace Tools\Test\Fixture;
 use Cake\TestSuite\Fixture\TestFixture;
 
 /**
- * Class SluggedArticleFixture
- *
  */
-class SluggedArticleFixture extends TestFixture {
+class SluggedArticlesFixture extends TestFixture {
 
 /**
  * fields property

tests/TestCase/Model/Behavior/SluggedBehaviorTest.php

@@ -22,7 +22,7 @@ class SluggedBehaviorTest extends TestCase {
  * @var array
  */
 	public $fixtures = [
-		'plugin.tools.slugged_article',
+		'plugin.tools.slugged_articles',
 	];
 
 /**