Test path composition in 'AssetControllerTest' adjusted

tests/unit/framework/console/controllers/AssetControllerTest.php

@@ -27,7 +27,7 @@ class AssetControllerTest extends TestCase
     public function setUp()
     {
         $this->mockApplication();
-        $this->testFilePath = Yii::getAlias('@yiiunit/runtime') . DIRECTORY_SEPARATOR . get_class($this);
+        $this->testFilePath = Yii::getAlias('@yiiunit/runtime') . DIRECTORY_SEPARATOR . str_replace('\\', '_', get_class($this));
         $this->createDir($this->testFilePath);
         $this->testAssetsBasePath = $this->testFilePath . DIRECTORY_SEPARATOR . 'assets';
         $this->createDir($this->testAssetsBasePath);