Update user factory seeder

database/factories/UserFactory.php

@@ -16,7 +16,8 @@ use Faker\Generator as Faker;
 $factory->define(App\User::class, function (Faker $faker) {
     return [
         'name' => $faker->name,
-        'email'          => $faker->unique()->safeEmail,
+        'username' => str_replace('.', '', $faker->unique()->userName),
+        'email' => str_random(8).$faker->unique()->safeEmail,
         'password' => '$2y$10$TKh8H1.PfQx37YgCzwiKb.KjNyWgaHb9cbcoQgdIVFlYg7B77UdFm', // secret
         'remember_token' => str_random(10),
     ];