little changes

tests/ConfigTest.php

@@ -22,6 +22,7 @@ class ConfigTest extends PHPUnit_Framework_TestCase
     {
         $this->_instance = Config::getInstance();
     }
+
     public function testGetInstance()
     {
         $this->assertSame($this->_instance, Config::getInstance());

tests/util/profiler/ProfilerTest.php

@@ -139,7 +139,6 @@ class ProfilerTest extends PHPUnit_Framework_TestCase
         $profiler = Profiler::getInstance();
         $cmdProfiler = $profiler->profilerCommand('command', 'type');
         $result = $profiler->getCli();
-        echo $result;
         $this->assertNotNull($result);
     }