From 3a600ed6db528f20591e294d10a3a5a8c9ae0a4d Mon Sep 17 00:00:00 2001
From: Sergei Morozov <morozov@tut.by>
Date: Fri, 19 Jun 2020 20:05:27 -0700
Subject: [PATCH] Mark TestCase::$backupGlobals as nullable

---
 src/Framework/TestCase.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Framework/TestCase.php b/src/Framework/TestCase.php
index de79be048fe..d83b45c191b 100644
--- a/src/Framework/TestCase.php
+++ b/src/Framework/TestCase.php
@@ -60,7 +60,7 @@ abstract class TestCase extends Assert implements SelfDescribing, Test
     private const LOCALE_CATEGORIES = [\LC_ALL, \LC_COLLATE, \LC_CTYPE, \LC_MONETARY, \LC_NUMERIC, \LC_TIME];
 
     /**
-     * @var bool
+     * @var null|bool
      */
     protected $backupGlobals;