Avoid use of port 8088 in socket tests. NFC (#21512)

This port is used by the goma compiler webserver which causes these
tests to fail on machines that are running the goma compiler.

Author: sbc100

test/websocket/nodejs_websocket_echo_server.js

@@ -17,7 +17,7 @@ function hexDump(bytes) {
 }
 
 var decoder = new TextDecoder('utf-8');
-var port = 8088;
+var port = 8089;
 var ws = require('ws');
 var wss = new ws.WebSocketServer({ port: port });
 console.log('WebSocket server listening on ws://localhost:' + port + '/');

test/websocket/test_websocket_send.c

@@ -65,7 +65,7 @@ int main()
 	EmscriptenWebSocketCreateAttributes attr;
 	emscripten_websocket_init_create_attributes(&attr);
 
-	const char *url = "ws://localhost:8088/";
+	const char *url = "ws://localhost:8089/";
 	attr.url = url;
 	attr.protocols = "binary,base64"; // We don't really use a special protocol on the server backend in this test, but check that it can be passed.