Test

plugins {
    id 'java' // adds 'test' task
}

test {
  // discover and execute JUnit4-based tests
  useJUnit()

  // discover and execute TestNG-based tests
  useTestNG()

  // discover and execute JUnit Platform-based tests
  useJUnitPlatform()

  // set a system property for the test JVM(s)
  systemProperty 'some.prop', 'value'

  // explicitly include or exclude tests
  include 'org/foo/**'
  exclude 'org/boo/**'

  // show standard out and standard error of the test JVM(s) on the console
  testLogging.showStandardStreams = true

  // set heap size for the test JVM(s)
  minHeapSize = "128m"
  maxHeapSize = "512m"

  // set JVM arguments for the test JVM(s)
  jvmArgs '-XX:MaxPermSize=256m'

  // listen to events in the test execution lifecycle
  beforeTest { descriptor ->
     logger.lifecycle("Running test: " + descriptor)
  }

  // fail the 'test' task on the first test failure
  failFast = true

  // skip an actual test execution
  dryRun = true

  // listen to standard out and standard error of the test JVM(s)
  onOutput { descriptor, event ->
     logger.lifecycle("Test: " + descriptor + " produced standard out/err: " + event.message )
  }
}

gradle someTestTask --debug-jvm