added custom provider for min username length for faker

composer.json

@@ -41,7 +41,8 @@
     },
     "autoload-dev": {
         "psr-4": {
-            "Tests\\": "tests/"
+            "Tests\\": "tests/",
+            "Faker\\": "faker/"
         }
     },
     "scripts": {

database/factories/UserFactory.php

@@ -2,6 +2,7 @@
 
 namespace Database\Factories;
 
+use Faker\Provider\CustomInternetProvider;
 use Illuminate\Database\Eloquent\Factories\Factory;
 use Illuminate\Support\Str;
 
@@ -17,13 +18,16 @@ class UserFactory extends Factory
      */
     public function definition()
     {
+        $faker = \Faker\Factory::create();
+        $faker->addProvider(new CustomInternetProvider($faker));
+
         return [
-            'username' => fake()->unique()->userName(),
-            'first_name' => fake()->firstName(),
-            'last_name' => fake()->lastName(),
-            'email' => fake()->safeEmail(),
+            'username' => $faker->unique()->userNameWithMinLength(6),
+            'first_name' => $faker->firstName(),
+            'last_name' => $faker->lastName(),
+            'email' => $faker->safeEmail(),
             'email_verified_at' => now(),
-            'phone' => fake()->phoneNumber(),
+            'phone' => $faker->phoneNumber(),
             'password' => '$2y$10$92IXUNpkjO0rOQ5byMi.Ye4oKoEa3Ro9llC/.og/at2.uheWG/igi', // password
             'remember_token' => Str::random(10),
         ];

faker/provider/CustomInternetProvider.php

@@ -0,0 +1,16 @@
+<?php
+namespace Faker\Provider;
+
+use Faker\Provider\Internet as BaseInternet;
+
+class CustomInternetProvider extends BaseInternet
+{
+    public function userNameWithMinLength($minLength = 6)
+    {
+        $username = $this->userName();
+        while (strlen($username) < $minLength) {
+            $username .= $this->randomNumber();
+        }
+        return $username;
+    }
+}