java/gradle.java/test/unit/data/artifacts/withTests/build.gradle

apply plugin: 'java'
apply plugin: 'application'

mainClassName = 'test.App'

run {
    jvmArgs '-Dtest.foo=bar', '-Dtest.bar=foo'
}

task testJar(type: Jar) {
    classifier = 'tests'
    from sourceSets.test.output
}

task testSourcesJar(type: Jar, dependsOn: classes) {
    classifier = 'test-sources'
    from sourceSets.test.allSource
}

test.dependsOn testJar
build.dependsOn testSourcesJar