laravel でmysql使用する

laravelでlaravel/uiライブラリをインストールしました。
そして新規登録、login機能を実装しようとしていますが
mysqlのデーターベースとうまく紐づいてないようです。
ご教授お願いします。
mysqlのログインはできていると思います。

$ mysql -u root
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 59
Server version: 5.6.43 Homebrew

Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.

Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

mysql> CREATE USER 'test_user'@'%' IDENTIFIED BY '123456';
Query OK, 0 rows affected (0.03 sec)

mysql> GRANT ALL ON shop.* TO 'test_user'@'%';
Query OK, 0 rows affected (0.00 sec)

mysql> Ctrl-C -- exit!
Aborted
$ php artisan config:cache
Configuration cache cleared!
Configuration cached successfully!
$ php artisan make:migration create_posts_table
Created Migration: 2020_02_23_230013_create_posts_table
$ php artisan migrate

   Illuminate\Database\QueryException  : SQLSTATE[HY000] [1045] Access denied for user 'test_user'@'localhost' (using password: YES) (SQL: select * from information_schema.tables where table_schema = shop and table_name = migrations and table_type = 'BASE TABLE')

  at /Users/MISIAN/projects/shop/vendor/laravel/framework/src/Illuminate/Database/Connection.php:669
    665|         // If an exception occurs when attempting to run a query, we'll format the error
    666|         // message to include the bindings with SQL, which will make this exception a
    667|         // lot more helpful to the developer instead of just the database's errors.
    668|         catch (Exception $e) {
  > 669|             throw new QueryException(
    670|                 $query, $this->prepareBindings($bindings), $e
    671|             );
    672|         }
    673| 

  Exception trace:

  1   PDOException::("SQLSTATE[HY000] [1045] Access denied for user 'test_user'@'localhost' (using password: YES)")
      /Users/MISIAN/projects/shop/vendor/laravel/framework/src/Illuminate/Database/Connectors/Connector.php:70

  2   PDO::__construct("mysql:host=127.0.0.1;port=3306;dbname=shop", "test_user", "123456", [])
      /Users/MISIAN/projects/shop/vendor/laravel/framework/src/Illuminate/Database/Connectors/Connector.php:70

  Please use the argument -v to see more details.

```.env
DB_CONNECTION=mysql
DB_HOST=127.0.0.1
DB_PORT=3306
DB_DATABASE=shop
DB_USERNAME=test_user
DB_PASSWORD=123456

ファイル名　config/database.php
'mysql' => [
            'driver' => 'mysql',
            'url' => env('DATABASE_URL'),
            'host' => env('DB_HOST', '127.0.0.1'),
            'port' => env('DB_PORT', '3306'),
            'database' => env('DB_DATABASE', 'forge'),
            'username' => env('DB_USERNAME', 'forge'),
            'password' => env('DB_PASSWORD', ''),
            'unix_socket' => env('DB_SOCKET', ''),
            'charset' => 'utf8mb4',
            'collation' => 'utf8mb4_unicode_ci',
            'prefix' => '',
            'prefix_indexes' => true,
            'strict' => true,
            'engine' => null,
            'options' => extension_loaded('pdo_mysql') ? array_filter([
                PDO::MYSQL_ATTR_SSL_CA => env('MYSQL_ATTR_SSL_CA'),
            ]) : [],
        ],