diff --git a/tests/ColorTest/CliColorTest.php b/tests/ColorTest/CliColorTest.php
index 36a0dc6..73fa325 100644
--- a/tests/ColorTest/CliColorTest.php
+++ b/tests/ColorTest/CliColorTest.php
@@ -18,7 +18,7 @@ public function testColoredString()
         $res = $color->getColoredString("Testing Colors class, this is purple string on yellow background.",
             "purple",
             "yellow");
-        $this->assertEquals('Testing Colors class, this is purple string on yellow background.', $res);
+        $this->assertEquals('Testing Colors class, this is purple string on yellow background.' . PHP_EOL, $res);
     }
 
     public function testGetBackgroundColors()