Add return value to execute method (#333)

* Add command for test

* Write test to verify issue

* Make test pass

tests/Etc/AddUserCommand.php

@@ -0,0 +1,38 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Stancl\Tenancy\Tests\Etc;
+
+use Illuminate\Console\Command;
+use Illuminate\Support\Str;
+use Stancl\Tenancy\Traits\HasATenantsOption;
+use Stancl\Tenancy\Traits\TenantAwareCommand;
+
+class AddUserCommand extends Command
+{
+    use TenantAwareCommand, HasATenantsOption;
+
+    /**
+     * The name and signature of the console command.
+     *
+     * @var string
+     */
+    protected $signature = 'user:add';
+
+    /**
+     * Execute the console command.
+     *
+     * @return mixed
+     */
+    public function handle()
+    {
+        User::create([
+            'name' => Str::random(10),
+            'email' => Str::random(10) . '@gmail.com',
+            'email_verified_at' => now(),
+            'password' => '$2y$10$92IXUNpkjO0rOQ5byMi.Ye4oKoEa3Ro9llC/.og/at2.uheWG/igi', // password
+            'remember_token' => Str::random(10),
+        ]);
+    }
+}