Use mock_config_flow helper in config tests #190557

Job	Run time
Collect information & changes data	17s
Prepare dependencies (3.12)	14s
Prepare pre-commit base	11s
Check ruff	15s
Check other linters	26s
Check ruff-format	17s
Check hassfest	37s
Check all requirements	20s
Check mypy	19s
Split tests for full run	0s
Check pylint	27s
Run tests Python 3.12 (config)	1m 12s
Run ${{ matrix.postgresql-group }} tests Python ${{ matrix.python-version }}	0s
Run ${{ matrix.mariadb-group }} tests Python ${{ matrix.python-version }}	0s
Run tests Python ${{ matrix.python-version }} (${{ matrix.group }})	0s
Upload test coverage to Codecov (full suite)	0s
Upload test coverage to Codecov (partial suite)	10s
	4m 45s

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