func nextAvailPort() uint16 {
p, e := common.GrabEphemeralPort()
if e != nil {
panic(e)
}
return p
}
func NewTestApp(urls []string, rPort uint16, mbusClient mbus.CFMessageBus, tags map[string]string) *TestApp {
app := new(TestApp)
port, _ := common.GrabEphemeralPort()
app.port = port
app.rPort = rPort
app.urls = urls
app.mbusClient = mbusClient
app.tags = tags
app.mux = http.NewServeMux()
return app
}