diff --git a/tests/Feature/EnvironmentTest.php b/tests/Feature/EnvironmentTest.php
index 0ecb66d..6f2da91 100644
--- a/tests/Feature/EnvironmentTest.php
+++ b/tests/Feature/EnvironmentTest.php
@@ -22,7 +22,7 @@ public function it_detects_a_port_conflict()
         $this->assertTrue($environment->portIsAvailable($port));
 
         $socket = socket_create(domain: AF_INET, type: SOCK_STREAM, protocol: SOL_TCP);
-        assert($socket !== false, "Was not able to create a socket.");
+        assert($socket !== false, 'Was not able to create a socket.');
         socket_set_option($socket, SOL_SOCKET, SO_REUSEADDR, 1);
         assert(socket_bind($socket, 'localhost', $port) !== false, "Was not able to bind socket to port {$port}");
         assert(socket_listen($socket, backlog: 5));