def METHOD_NAME(self):
    """Test st._arrow_table."""
    from streamlit.type_util import bytes_to_data_frame
    df = pd.DataFrame([[1, 2], [3, 4]], columns=["col1", "col2"])
    st._arrow_table(df)
    proto = self.get_delta_from_queue().new_element.arrow_table
    pd.testing.assert_frame_equal(bytes_to_data_frame(proto.data), df)