def make_testdata_filename(mission_type, filename):
 return os.path.join(os.path.dirname(__file__), '..', mission_type, 'testdata', filename)

def make_testdata_filename ( mission_type , filename ) : return os . path . join ( os . path . dirname ( __file__ ) , '..' , mission_type , 'testdata' , filename )
create a filename for test data and join to path .