Base URL
Robust tests don't specify the full URL of an application under test. Instead you only pass a relative URL to functions like open . package scenarios.ui import static org.testingisdocumenting.webtau.WebTauGroovyDsl.* scenario('simple open') { browser.open("/search") $('#welcome').should == 'welcome to super search' } Define base URL either inside a webtau.cfg.groovy file url = "http://localhost:8180" or pass as a command line argument --url=http://...