From fcdf3f355aa5b72c9d078bbe254225523746cf1a Mon Sep 17 00:00:00 2001
From: xemlock <xemlock@gmail.com>
Date: Tue, 10 Dec 2019 21:45:36 +0100
Subject: [PATCH] Maybe this will help?

---
 tests/BaseTestCase.php | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/tests/BaseTestCase.php b/tests/BaseTestCase.php
index 4895edd..fa56964 100644
--- a/tests/BaseTestCase.php
+++ b/tests/BaseTestCase.php
@@ -21,6 +21,11 @@ protected function setUp()
         set_error_handler(array($this, 'errorHandler'), E_USER_NOTICE | E_USER_WARNING);
     }
 
+    protected function tearDown()
+    {
+        set_error_handler(null);
+    }
+
     /**
      * @param int $errno
      * @param string $message
@@ -39,7 +44,7 @@ public function assertPurification($input, $expect = null)
         $purifier = new HTMLPurifier($this->config);
         $output = $purifier->purify($input);
 
-        $this->assertSame($expect !== null ? $expect : $input, $output);
+        $this->assertEquals((string) ($expect !== null ? $expect : $input), $output);
     }
 
     /**