run tests headless

Author: christian-bromann

enhance/tests/wdio.conf.js

@@ -65,10 +65,16 @@ export const config = {
         // maxInstances can get overwritten per capability. So if you have an in-house Selenium
         // grid with only 5 firefox instances available you can make sure that not more than
         // 5 instances get started at a time.
-        maxInstances: 5,
-        //
         browserName: 'chrome',
-        acceptInsecureCerts: true
+        acceptInsecureCerts: true,
+        'goog:chromeOptions': {     
+            args: [
+                '--headless',
+                '--disable-dev-shm-usage',
+                '--disable-gpu',
+                '--window-size=1920,1080'
+            ],
+        }
         // If outputDir is provided WebdriverIO can capture driver session logs
         // it is possible to configure which logTypes to include/exclude.
         // excludeDriverLogs: ['*'], // pass '*' to exclude all driver session logs