TUN-3403: Unit test for origin/proxy to test serving HTTP and Websocket

vendor/github.com/gobwas/pool/pbufio/pbufio_go110.go

@@ -0,0 +1,13 @@
+// +build go1.10
+
+package pbufio
+
+import "bufio"
+
+func writerSize(bw *bufio.Writer) int {
+	return bw.Size()
+}
+
+func readerSize(br *bufio.Reader) int {
+	return br.Size()
+}