From ce23dfff775dd3512391372c4528b0be09cb1c1c Mon Sep 17 00:00:00 2001
From: Mior Muhammad Zaki <crynobone@gmail.com>
Date: Fri, 22 May 2020 09:07:23 +0800
Subject: [PATCH] Avoid redeclaring properties.

Signed-off-by: Mior Muhammad Zaki <crynobone@gmail.com>
---
 src/Testing/Concerns/InteractsWithPublishedFiles.php | 9 +--------
 src/Testing/TestCase.php                             | 7 +++++++
 2 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/src/Testing/Concerns/InteractsWithPublishedFiles.php b/src/Testing/Concerns/InteractsWithPublishedFiles.php
index ab6efef..a0b2d69 100644
--- a/src/Testing/Concerns/InteractsWithPublishedFiles.php
+++ b/src/Testing/Concerns/InteractsWithPublishedFiles.php
@@ -7,13 +7,6 @@
 
 trait InteractsWithPublishedFiles
 {
-    /**
-     * Stubs files.
-     *
-     * @var array
-     */
-    protected $files = [];
-
     /**
      * The filesystem implementation.
      *
@@ -125,7 +118,7 @@ protected function assertFilenameNotExists(string $file): void
     protected function cleanUpFiles(): void
     {
         $this->filesystem->delete(
-            Collection::make($this->files)
+            Collection::make($this->files ?? [])
                 ->transform(function ($file) {
                     return $this->app->basePath($file);
                 })
diff --git a/src/Testing/TestCase.php b/src/Testing/TestCase.php
index 2ecdcd5..e1e40b2 100644
--- a/src/Testing/TestCase.php
+++ b/src/Testing/TestCase.php
@@ -10,6 +10,13 @@ class TestCase extends \Orchestra\Testbench\TestCase
 {
     use Concerns\InteractsWithPublishedFiles;
 
+    /**
+     * Stubs files.
+     *
+     * @var array
+     */
+    protected $files = [];
+
     /**
      * Setup the test environment.
      */