/**
* Sets the directory where unit test files will be saved
*
* If no directory has been specified the unit test code will be returned
* with the mock file code.
*
* @param string $unitTestDirectory Directory to save unit test files in
* @return MockMaker
*/
public function saveUnitTestsIn($unitTestDirectory)
{
$this->config->setUnitTestWriteDir($unitTestDirectory);
return $this;
}