public function testGetItemPath()
 {
     $loader = new ClassLoader();
     $loader->pushManifest($this->testManifest1);
     $this->assertEquals(realpath($this->baseManifest1 . '/module/classes/ClassA.php'), realpath($loader->getItemPath('ClassA')));
     $this->assertEquals(false, $loader->getItemPath('UnknownClass'));
     $this->assertEquals(false, $loader->getItemPath('OtherClassA'));
     $loader->pushManifest($this->testManifest2);
     $this->assertEquals(false, $loader->getItemPath('ClassA'));
     $this->assertEquals(false, $loader->getItemPath('UnknownClass'));
     $this->assertEquals(realpath($this->baseManifest2 . '/module/classes/OtherClassA.php'), realpath($loader->getItemPath('OtherClassA')));
 }