add test for status on http2

Author: zarqman

lib/async/websocket/connect_request.rb

@@ -12,7 +12,7 @@
 
 module Async
 	module WebSocket
-		# This is required for HTTP/1.x to upgrade the connection to the WebSocket protocol.
+		# This is required for HTTP/2 to establish a connection using the WebSocket protocol.
 		# See https://tools.ietf.org/html/rfc8441 for more details.
 		class ConnectRequest < ::Protocol::HTTP::Request
 			include ::Protocol::WebSocket::Headers

test/async/websocket/client.rb

@@ -185,5 +185,15 @@ def valid_headers(request)
 	with 'http/2' do
 		let(:protocol) {Async::HTTP::Protocol::HTTP2}
 		it_behaves_like ClientExamples
+		
+		with 'invalid status' do
+			let(:app) do
+				Protocol::HTTP::Middleware.for do |request|
+					Protocol::HTTP::Response[403, {}, []]
+				end
+			end
+			
+			it_behaves_like FailedToNegotiate
+		end
 	end
 end