diff --git a/.travis.yml b/.travis.yml
index 374385f..244e69c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,15 @@
 language: node_js
+
+os:
+  - linux
+  - osx
+
 node_js:
   - "12"
-script:
-  - xvfb-run npm test
+  - "11"
+  - "10"
+  - "9"
+  - "8"
+
+addons:
+  chrome: stable
diff --git a/nightwatch.conf.js b/nightwatch.conf.js
index d91da68..2fbde47 100644
--- a/nightwatch.conf.js
+++ b/nightwatch.conf.js
@@ -1,16 +1,23 @@
 module.exports = {
     "src_folders": ["test"],
 
+    "detailed_output": false,
+
     "webdriver": {
         "start_process": true,
-        "server_path": "node_modules/.bin/chromedriver",
+        "server_path": 'node_modules/.bin/chromedriver',
         "port": 9515
     },
 
     "test_settings": {
         "default": {
             "desiredCapabilities": {
-                "browserName": "chrome"
+                "browserName": "chrome",
+                "chromeOptions": {
+                    "args": [
+                        "--headless"
+                    ]
+                }
             }
         }
     }
diff --git a/test/test.js b/test/test.js
index bd88d69..28770d0 100644
--- a/test/test.js
+++ b/test/test.js
@@ -26,7 +26,7 @@ test('Spr. czy jest odpowiednia liczba elementów w menu', async (client) => {
     await setup(client);
     await client.elements('css selector', '.menu-item', (result) => {
         const menuSize = result.value.length;
-        client.assert.equal(menuSize, 9);
+        client.assert.equal(menuSize, 10);
     });
     // await teardown(client);
 });