Tests: Replace assert False with pytest.fail()

[hugovk]

pytest.fail() gives slightly nicer errors:

https://docs.pytest.org/en/7.1.x/reference/reference.html#pytest-fail

import pytest


def test_a():
    assert False


def test_b():
    assert False, "abc"


def test_c():
    pytest.fail()


def test_d():
    pytest.fail("abc")

============================================================================================= FAILURES =============================================================================================
______________________________________________________________________________________________ test_a ______________________________________________________________________________________________

    def test_a():
>       assert False
E       assert False

1.py:5: AssertionError
______________________________________________________________________________________________ test_b ______________________________________________________________________________________________

    def test_b():
>       assert False, "abc"
E       AssertionError: abc
E       assert False

1.py:9: AssertionError
______________________________________________________________________________________________ test_c ______________________________________________________________________________________________

    def test_c():
>       pytest.fail()
E       Failed

1.py:13: Failed
______________________________________________________________________________________________ test_d ______________________________________________________________________________________________

    def test_d():
>       pytest.fail("abc")
E       Failed: abc

1.py:17: Failed
===================================================================================== short test summary info ======================================================================================
FAILED 1.py::test_a - assert False
FAILED 1.py::test_b - AssertionError: abc
FAILED 1.py::test_c - Failed
FAILED 1.py::test_d - Failed: abc
======================================================================================== 4 failed in 0.06s =========================================================================================