How to configure cucumber in different folder at gradle application

ApplicationSpringBootstrapStep.java

public class ApplicationSpringBootstrapStep extends WebApplicationTests {

    @Given("I bootstrap the spring application")
    public void bootstrapApplication() {
    }

}

build.gradle

configurations {
    itestCompile.extendsFrom testCompile
    itestRuntime.extendsFrom testRuntime
}

sourceSets {
    itest {
        java {
            compileClasspath += main.output + test.output
            runtimeClasspath += main.output + test.output
            srcDir file('src/itest/java')
        }
        resources.srcDir file('src/itest/resources')
    }
}
task itest(type: Test) {
    testClassesDir = sourceSets.itest.output.classesDir
    classpath = sourceSets.itest.runtimeClasspath

    testLogging {
        events "passed", "skipped", "failed"
    }
}

test.finalizedBy(itest)

FeatureTestRunner.java

@RunWith(Cucumber.class)
@CucumberOptions(format = "pretty", features = "src/itest/resources")
public class FeatureTestRunner {}

WebApplicationTest.java

@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(classes = BrokerScheduleApplication.class, loader = SpringApplicationContextLoader.class)
@WebIntegrationTest(randomPort = true)
public class WebApplicationTest{}