diff --git a/tests/LanguageServerTest.php b/tests/LanguageServerTest.php
index fb52ef6..2e4d892 100644
--- a/tests/LanguageServerTest.php
+++ b/tests/LanguageServerTest.php
@@ -57,7 +57,7 @@ class LanguageServerTest extends TestCase
             if ($msg->body->method === 'window/logMessage' && $promise->state === Promise::PENDING) {
                 if ($msg->body->params->type === MessageType::ERROR) {
                     $promise->reject(new Exception($msg->body->params->message));
-                } else if (strpos($msg->body->params->message, 'All 27 PHP files parsed') !== false) {
+                } else if (preg_match('/All [0-9]+ PHP files parsed/', $msg->body->params->message)) {
                     $promise->fulfill();
                 }
             }
@@ -103,7 +103,7 @@ class LanguageServerTest extends TestCase
                     if ($promise->state === Promise::PENDING) {
                         $promise->reject(new Exception($msg->body->params->message));
                     }
-                } else if (strpos($msg->body->params->message, 'All 27 PHP files parsed') !== false) {
+                } else if (preg_match('/All [0-9]+ PHP files parsed/', $msg->body->params->message)) {
                     $promise->fulfill();
                 }
             }