def METHOD_NAME(self):
    """
    Test that the 255 char max_length constraint validation error is not
    raised when trying to share a project with multiple users
    """
    self._publish_xls_form_to_project()
    project = Project.objects.last()
    # Test that it can share to multiple users
    users_list = [
        "cowmirowlanchaharmonicabrownbreadokratea",
        "harmonicaantlambchopdoggoatgarlicbread",
        "pureenchantingjunopancakeshoagsobjectbat",
        "toystoryshrimprhythmzebraaceventuraran",
        "riversandwichnovaowlhighnoonstyxgiraffe",
        "mayonnaiseearthyinceptionbatplanetarlog",
        "fitnessleoiantgollumnotesmelodypinecone"
    ]
    for user in users_list:
        # create users
        _user = self._create_user(user, user)
        self.assertFalse(ReadOnlyRole.user_has_role(_user, project))
    # check usernames length is > 255 chars
    usernames = ','.join(users_list)
    self.assertTrue(len(usernames) > 255)
    data = {
        'project': project.id,
        'username': usernames,
        'role': ReadOnlyRole.name
    }
    serializer = ShareProjectSerializer(data=data)
    self.assertTrue(serializer.is_valid())
    self.assertFalse(len(serializer.errors) > 0)