gistfile1.txt

trial-retry $ cat test_sample.py
# test_sample.py
import unittest
class DemoTest(unittest.TestCase):
    def test_passes(self):
        pass
    def test_fails(self):
        self.fail("I failed.")
trial-retry $ trial test_sample.py
test_sample
  py ...                                                                [ERROR]

===============================================================================
[ERROR]
Traceback (most recent call last):
  File "/Users/jaraco/.local/pipx/venvs/twisted/lib/python3.8/site-packages/twisted/trial/runner.py", line 823, in loadByName
    return self.suiteFactory([self.findByName(name, recurse=recurse)])
  File "/Users/jaraco/.local/pipx/venvs/twisted/lib/python3.8/site-packages/twisted/trial/runner.py", line 752, in findByName
    obj = reflect.namedAny(name)
  File "/Users/jaraco/.local/pipx/venvs/twisted/lib/python3.8/site-packages/twisted/python/reflect.py", line 315, in namedAny
    raise ObjectNotFound('%r does not name an object' % (name,))
twisted.python.reflect.ObjectNotFound: 'test_sample.py' does not name an object

test_sample.py
-------------------------------------------------------------------------------
Ran 1 tests in 0.018s

FAILED (errors=1)