refactored fixture feature.

config/console.php

@@ -25,10 +25,6 @@ return [
 			],
 		],
 		'db' => $db,
-		'fixture' => [
-			'class' => 'yii\test\DbFixtureManager',
-			'basePath' => '@tests/unit/fixtures',
-		],
 	],
 	'params' => $params,
 ];

tests/unit/_config.php

@@ -5,10 +5,6 @@ return yii\helpers\ArrayHelper::merge(
 	require(__DIR__ . '/../_config.php'),
 	[
 		'components' => [
-			'fixture' => [
-				'class' => 'yii\test\DbFixtureManager',
-				'basePath' => '@tests/unit/fixtures',
-			],
 			'db' => [
 				'dsn' => 'mysql:host=localhost;dbname=yii2_basic_unit',
 			],