diff --git a/tests/test-dhcp-ws-manual.js b/tests/test-dhcp-ws-manual.js
index 5eb8a6b90..814ffc89c 100644
--- a/tests/test-dhcp-ws-manual.js
+++ b/tests/test-dhcp-ws-manual.js
@@ -92,6 +92,10 @@ if (board.name === "arduino_101") {
         });
 
         SocketBody(WSServer);
+
+        WSServer.on('error', function (error) {
+            console.log('Server socket: ' + error.name + ': ' + error.message);
+        });
     });
 
     netConfig.on("netdown", function() {
@@ -122,5 +126,9 @@ if (board.name === "arduino_101") {
         });
 
         SocketBody(WSServer);
+
+        WSServer.on('error', function (error) {
+            console.log('Server socket: ' + error.name + ': ' + error.message);
+        });
     });
 }
diff --git a/tests/test-ws4-server-dhcp.js b/tests/test-ws4-server-dhcp.js
index aeae9b49b..c4900f029 100644
--- a/tests/test-ws4-server-dhcp.js
+++ b/tests/test-ws4-server-dhcp.js
@@ -3,7 +3,7 @@
 // Run this test case and run ws client on linux with
 //   tests/tools/test-ws4-client-dhcp.js
 
-console.log("Test web socket server APIs on IPv4 with DHCP mode...");
+console.log("Test websocket server APIs on IPv4 with DHCP mode...");
 
 var WebSocket = require("ws");
 var assert = require("Assert.js");
@@ -32,13 +32,13 @@ netConfig.dhcp(function(address, subnet, gateway) {
     });
 
     assert(typeof WSServer === "object" && WSServer !== null,
-           "WSServerObject: be defined");
+           "WSServer object is defined");
 
     WSServer.on("connection", function(websocket) {
         assert(true, "WSServerObject: accept client connected");
         assert(true, "WSServerEvent: be called as 'connection' event");
 
-        console.log("Creat web socket connection successful");
+        console.log("Create websocket connection successful");
 
         var messageFlag = true;
         var sendNoMaskFlag = false;
@@ -203,4 +203,8 @@ netConfig.dhcp(function(address, subnet, gateway) {
             }
         }, 3000);
     });
+
+    WSServer.on('error', function (error) {
+        console.log('Server socket: ' + error.name + ': ' + error.message);
+    });
 });