test: add +build !rpctest to tests files in main package

This commit adds the +build !rpctest build flag to the test files in
the main package other than the RPC tests. With this, if the protest
build flag is set, then ONLY those tests will be run.

pilot.go

@@ -54,7 +54,7 @@ func (c *chanController) OpenChannel(target *btcec.PublicKey,
 			tcpAddr, ok := addr.(*net.TCPAddr)
 			if !ok {
 				return fmt.Errorf("TCP address required instead "+
-					"have %T", addrs[0])
+					"have %T", addr)
 			}
 			if tcpAddr.Port == 0 {
 				tcpAddr.Port = defaultPeerPort