in dh_virtualenv/deployment.py [0:0]
def run_tests(self):
python = self.venv_bin('python')
setup_py = os.path.join(self.sourcedirectory, 'setup.py')
if os.path.exists(setup_py):
subprocess.check_call([python, 'setup.py', 'test'], cwd=self.sourcedirectory)