* Changed Testing, removed custom exception
Removed custom exceptions, reverted to builtin. Changed testing approach in all tests, now using the core interface to setup device and mock_requests to create test responses for all calls.
* Reintroduce InvalidAuth exception in __init__
Remove reference to internal HA exception, Reintroduce custom exception
* Removed duplicate entry in test_config_flow
* removed tests from test_init that calling methods directly
* Update tests/components/wallbox/__init__.py
Removed duplicate add_to_hass call
Co-authored-by: Martin Hjelmare <marhje52@gmail.com>
Co-authored-by: Martin Hjelmare <marhje52@gmail.com>