removed PhpManagerTest

tests/unit/framework/rbac/PhpManagerTest.php

-<?php
-
-namespace yiiunit\framework\rbac;
-
-use Yii;
-use yii\rbac\PhpManager;
-
-/**
- * @group rbac
- * @property \yii\rbac\PhpManager $auth
- */
-class PhpManagerTest extends ManagerTestCase
-{
-    protected function setUp()
-    {
-        parent::setUp();
-        $this->mockApplication();
-        $authFile = Yii::$app->getRuntimePath() . '/rbac.php';
-        @unlink($authFile);
-        $this->auth = new PhpManager;
-        $this->auth->authFile = $authFile;
-        $this->auth->init();
-        $this->prepareData();
-    }
-
-    protected function tearDown()
-    {
-        parent::tearDown();
-        @unlink($this->auth->authFile);
-    }
-
-    public function testSaveLoad()
-    {
-        $this->auth->save();
-        $this->auth->clearAll();
-        $this->auth->load();
-        $this->testCheckAccess();
-    }
-}