1 files changed, 2 insertions, 0 deletions
diff --git a/test/selenium/TestBase.php b/test/selenium/TestBase.php
index 8e49493e42..679f13f726 100644
--- a/test/selenium/TestBase.php
+++ b/test/selenium/TestBase.php
@@ -1093,6 +1093,7 @@ abstract class TestBase extends TestCase
         if (! $this->hasFailed()) {
             $this->markTestAs('passed', '');
         }
+        $this->sqlWindowHandle = null;
         $this->webDriver->quit();
     }
 
@@ -1195,6 +1196,7 @@ abstract class TestBase extends TestCase
         if ($this->webDriver !== null) {
             $this->webDriver->quit();
         }
+        $this->sqlWindowHandle = null;
 
         $this->getErrorVideoUrl();