actions/__tests__/samples/basic/build.gradle

plugins {
    id 'java'
}

repositories {
    mavenCentral()
}

dependencies {
    testImplementation('junit:junit:4.12')
}

tasks.named("test").configure {
    doLast {
        if (System.properties.verifyCachedBuild) {
            throw new RuntimeException("Build was not cached: unexpected execution of test task")
        }
    }
}