tests/test_random_rules_attack.py purges and re-imports hate_crack.*
modules, which leaves main._notify pointing at a different notify
object than a top-level patch("hate_crack.notify._send_pushover")
would touch. Under the full suite that caused the test's mock to
miss and the production call to hit the real Pushover API.
Switch to patch.object(hc_main, "_notify") -- same pattern as
tests/test_run_hcat_cmd.py but anchored to the exact module object
already bound as hc_main, so it is immune to sys.modules churn
regardless of import order. Drop the now-redundant _install_settings
helper and _reset_notify_state fixture.
Canned send path so a user can verify Pushover credentials without
running an attack. Ignores the global notify_enabled toggle — the test's
purpose is to confirm the pipe is live, not that attack notifications
are enabled. Prints a note when the global toggle is OFF so the user is
not confused later.