fix: cs

Author: overtrue

tests/Hooks/Illuminate/Http/KernelTest.php

@@ -234,7 +234,7 @@ public function test_handles_worker_request_start_with_event_function()
         $method->setAccessible(true);
 
         // Mock global event function
-        if (!function_exists('event')) {
+        if (! function_exists('event')) {
             eval('function event($name) { /* Mock implementation */ }');
         }