How to use test_install_command_whitelisted method in tox

Best Python code snippet using tox_python

test_venv.py

Source:test_venv.py

...254    venv = mocksession.getenv('python')255    venv.test()256    mocksession.report.expect("warning", "*test command found but not*")257    assert venv.status == "commands failed"258def test_install_command_whitelisted(newmocksession, monkeypatch):259    mocksession = newmocksession(['--recreate'], """260        [testenv]261        whitelist_externals = py.test262                              xy*263        commands=264            py.test265            xyz266    """)267    venv = mocksession.getenv('python')268    venv.test()269    mocksession.report.expect("warning", "*test command found but not*",270                              invert=True)271    assert venv.status == "commands failed"272@pytest.mark.skipif("not sys.platform.startswith('linux')")...

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