def METHOD_NAME(self):
    """Management command correctly updates chart block dates"""
    browse_page = BrowsePage(
        title="Browse Page",
        slug="browse",
    )
    # Adds a Chart Block to a browse page
    browse_page.content = StreamValue(
        browse_page.content.stream_block, [atomic.chart_block], True
    )
    publish_page(child=browse_page)
    # Call management command to update values
    filename = os.path.join(
        settings.PROJECT_ROOT, "v1/tests/fixtures/data_snapshot.json"
    )
    call_command(
        "update_chart_block_dates", "--snapshot_file={}".format(filename)
    )
    response = self.client.get("/browse/")
    # Tests last_updated_projected_data is correct
    self.assertContains(
        response,
        (
            "The most recent data available in this visualization are for "
            "July 2018"
        ),
    )
    # Tests date_published is correct
    self.assertContains(response, "October 2018")