Yii2 advance template testing path issue

I have brand new advance template and has problem with using short cut for test suite.

#current working directory is


#this does not work

codecept run unit SignupFormTest.php:testCorrectSignup => throw exception [Exception] File or path SignupFormTest.php not found

#this work

codecept run unit unit/models/SignupFormTest.php:testCorrectSignup

how do I make the shortcut works ? (Codeception has documentation for shortcut @ http://codeception.com/docs/02-GettingStarted#.Vrk9XlgrKUk)