============================= test session starts ==============================
collected 0 items / 1 error

==================================== ERRORS ====================================
_______________________ ERROR collecting tests/test_x.py _______________________
ImportError while importing test module '/repo/tests/test_x.py'.
tests/test_x.py:1: in <module>
    import missing_mod
E   ModuleNotFoundError: No module named 'missing_mod'
=========================== short test summary info ============================
ERROR tests/test_x.py
!!!!!!!!!!!!!!!!!!!! Interrupted: 1 error during collection !!!!!!!!!!!!!!!!!!!!
=============================== 1 error in 0.05s ===============================
