diff --git a/tests/phpunit/ScriptHandlerTest.php b/tests/phpunit/ScriptHandlerTest.php
index 4736c42..42a73f3 100644
--- a/tests/phpunit/ScriptHandlerTest.php
+++ b/tests/phpunit/ScriptHandlerTest.php
@@ -28,10 +28,20 @@ function validateConfigurationExpectedExceptionOnNotExistingKey()
      *
      * @expectedException \InvalidArgumentException
      */
-    function validateConfigurationExpectedExceptionOnNotArray()
+    function validateConfigurationExpectedExceptionOnEmpty()
     {
         $this->invokeMethod(new ScriptHandler(), 'validateConfiguration', [[ScriptHandler::CONFIG_MAIN_KEY]]);
     }
+    /**
+     * @see ScriptHandler::validateConfiguration
+     * @test
+     *
+     * @expectedException \InvalidArgumentException
+     */
+    function validateConfigurationExpectedExceptionOnNotArray()
+    {
+        $this->invokeMethod(new ScriptHandler(), 'validateConfiguration', [[ScriptHandler::CONFIG_MAIN_KEY => 'string']]);
+    }
 
     /**
      * @see ScriptHandler::validateConfiguration