async def METHOD_NAME(self, content: str = None, *, regex: bool = True, dm=False, embed: Embed = None):
    """
    Assert that the bot edits a message, and that it is the message we expect.
    If a regex is passed, this method returns the match object against the content.
    :param content The text or regex to match the message content against
    :param regex Whether to interpret content checking fields as a regex
    :param dm Whether it was a Direct Message that was edited or not
    :param embed An embed to check against
    """
    request = await self.get_request()
    channel = TEST_DMCHANNEL_ID if dm else TEST_CHANNEL_ID
    assert request.method == "PATCH"
    assert request.url.endswith(f"/channels/{channel}/messages/{MESSAGE_ID}")
    return message_content_check(request, content, regex=regex, embed=embed)