Add tests for `is_entity_header` and `is_hop_by_hop_header` helper functions (#1410)
Add tests for `is_entity_header` and `is_hop_by_hop_header` helper functions (#1410)


ashleysommer/sanic,yunstanford/sanic,ashleysommer/sanic,channelcat/sanic,yunstanford/sanic,yunstanford/sanic,yunstanford/sanic,channelcat/sanic,ashleysommer/sanic,channelcat/sanic,lixxu/sanic,channelcat/sanic,lixxu/sanic,lixxu/sanic,lixxu/sanic