//    !!!!!!!!!!!!!!!!!!!!!!!!!!
//    DONT USE! BAD CODE

            steps {
                parallel (
                    "Unit Test" : {
                        build("unit-test-job")
                    },
                    "Component Test" : {
                        build("component-test-job")
                    },
                    "Build" : {
                        build("build-job")
                    }
                )
                // extra build step together with parallel block
                build("extra-job")
            }
//    !!!!!!!!!!!!!!!!!!!!!!!!!!