diff --git a/tests/Test/BlackBoxTest.php b/tests/Test/BlackBoxTest.php
index ff40895..5be45b2 100644
--- a/tests/Test/BlackBoxTest.php
+++ b/tests/Test/BlackBoxTest.php
@@ -21,7 +21,7 @@ public function setUp()
     /**
      * @test
      */
-    public function gaugShouldBeOverwritten()
+    public function gaugesShouldBeOverwritten()
     {
         $start = microtime(true);
         $promises = [