The glue is a part of Cucumber options that describes the location and path of the step definition file.
Test Runner file.
import org.junit.runner.RunWith; import cucumber.api.CucumberOptions; import cucumber.api.junit.Cucumber; import cucumber.api.testng.AbstractTestNGCucumberTests; @CucumberOptions( features = "src/test/java/features", glue="stepDefinations" ) public class TestRunner extends AbstractTestNGCucumberTests { }