reorganize and cleanup php server code

server/tests/Setup/RoleFactory.php

@@ -0,0 +1,47 @@
+<?php
+
+namespace Tests\Setup;
+
+use Vanguard\Permission;
+use Vanguard\Role;
+
+class RoleFactory
+{
+    protected $permissions = [];
+
+    protected $removable = false;
+
+    public function withPermissions($permissions)
+    {
+        $this->permissions = func_get_args();
+
+        return $this;
+    }
+
+    public function removable()
+    {
+        $this->removable = true;
+
+        return $this;
+    }
+
+    public function unremovable()
+    {
+        $this->removable = false;
+
+        return $this;
+    }
+
+    public function create()
+    {
+        $role = Role::factory()->create([
+            'removable' => $this->removable
+        ]);
+
+        foreach ($this->permissions as $name) {
+            $role->attachPermission(Permission::where('name', $name)->first());
+        }
+
+        return $role;
+    }
+}