Run tests from Ada CLI

[PenguinBoi12]

Adds an ada test command that runs black, mypy and pytest with formatted pass/fail output per step.

Example:
success

$ ada test
black   checking formatting...  ✓
mypy    type checking...  ✓
pytest  running tests...  ✓

failing

$ ada test
black   checking formatting...  ✓
mypy    type checking...  ✓
pytest  running tests...  ✗
============================= test session starts ==============================
platform linux -- Python 3.12.3, pytest-9.0.3, pluggy-1.6.0
rootdir: /home/penguinboi/Projects/ada
configfile: pyproject.toml
plugins: cov-7.1.0, asyncio-1.3.0
asyncio: mode=Mode.AUTO, debug=False, asyncio_default_fixture_loop_scope=None, asyncio_default_test_loop_scope=function
collected 18 items

tests/extensions/test_welcome_extension.py .F....                        [ 33%]
tests/test_config.py ........                                            [ 77%]
tests/test_loader.py ....                                                [100%]

=================================== FAILURES ===================================
__________________ test_is_new_join_false_when_already_joined __________________

    def test_is_new_join_false_when_already_joined() -> None:
        event = SimpleNamespace(membership="join", prev_membership="join")
>       assert _is_new_join(event) is True
E       AssertionError: assert False is True
E        +  where False = _is_new_join(namespace(membership='join', prev_membership='join'))

tests/extensions/test_welcome_extension.py:40: AssertionError
=========================== short test summary info ============================
FAILED tests/extensions/test_welcome_extension.py::test_is_new_join_false_when_already_joined - AssertionError: assert False is True
========================= 1 failed, 17 passed in 0.31s =========================

[chrisdedman]

Nice. LTGM