def METHOD_NAME(self):
    """
    When a service name is specified by the user
        The jinja integration should use it as the service name
    """
    loader = jinja2.loaders.FileSystemLoader(TMPL_DIR)
    env = jinja2.Environment(loader=loader)
    t = env.get_template("template.html")
    assert t.render(name="Jinja") == "Message: Hello Jinja!"
    spans = self.pop_spans()
    for span in spans:
        assert span.service == "mysvc"