run multiple jetty before tests in gradle

build.gradle

// start multiple jetties before test
//
//   useful for parallel web end-to-end testing
//
import org.gradle.api.plugins.jetty.JettyRun

apply plugin: 'java'
apply plugin: 'jetty'

repositories {
  mavenCentral()
}

// configuration for each jetty server
def jettyConfigs = [
        [port:8001],
        [port:8002]
]


def jettyMultiRunTasks = []

// create jetty tasks and assign them
jettyConfigs.eachWithIndex {jettyConfig, index ->

  jettyMultiRunTasks << task("jettyMultiRun-${index}", type: JettyRun) {
    httpPort = jettyConfig.port
    daemon = true
    // more configuration to specify each jetty to use different env...
  }

}


test {

  // start jetties before running tests
  dependsOn(jettyMultiRunTasks)

  // more test options such as maxParallelForks,  etc.

}