def METHOD_NAME():
    schema = {
        "type": "string",
        "description": "Format: YYYY-MM-DDTHH:mm:ss[Z].",
        "examples": ["2020-01-01T00:00:00Z"],
        "oneOf": [1, 2, 3],
    }
    errors = spec_linter.validate_field("field", schema, ["root"])
    assert len(errors) == 2
    assert "Check failed for field" in errors[0]
    assert "Incorrect oneOf schema in field" in errors[1]