func websocketDial(tt *tunneltest.TunnelTest, ident string) (*websocket.Conn, error) {
req := tt.Request(ident, nil)
if req == nil {
return nil, fmt.Errorf("no client found for ident %q", ident)
}
h := http.Header{"Host": {req.Host}}
wsurl := fmt.Sprintf("ws://%s", tt.ServerAddr())
conn, _, err := dialer.Dial(wsurl, h)
return conn, err
}
