test given an HTTP/2 WebSocket connection to an echo server we can multiplex WebSocket and HTTP traffic (Mint.WebSocketTest)

test given an HTTP/2 WebSocket connection to an echo server we can send and hello-world frame and receive an echo reply (Mint.WebSocketTest)

test given an HTTP/2 WebSocket connection to an echo server a response code outside the 200..299 range gives a UpgradeFailureError (Mint.WebSocketTest)

Process completed with exit code 1.