From a2cb78710df741b1914579dfd66e38e4c91b93b6 Mon Sep 17 00:00:00 2001
From: Nuno Maduro <enunomaduro@gmail.com>
Date: Sun, 28 Apr 2024 11:16:37 +0100
Subject: [PATCH] Fixes isset

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

diff --git a/src/Concerns/Testable.php b/src/Concerns/Testable.php
index 347e3095..defdc8e2 100644
--- a/src/Concerns/Testable.php
+++ b/src/Concerns/Testable.php
@@ -293,7 +293,7 @@ trait Testable
             return $arguments;
         }
 
-        if (! $arguments[0] instanceof Closure) {
+        if (! isset($arguments[0]) || ! $arguments[0] instanceof Closure) {
             return $arguments;
         }