add warning

test/test.js

@@ -138,6 +138,8 @@ describe('Application life cycle test', function () {
         execSync('cloudron build', { cwd: path.resolve(__dirname, '..'), stdio: 'inherit' });
     });
 
+    console.log('IMPORTANT: make the browser window full screen. Otherwise the responsive UI hides elements required for this test');
+
     it('install app', function () {
         execSync('cloudron install --new --wait --location ' + LOCATION, { cwd: path.resolve(__dirname, '..'), stdio: 'inherit' });
     });