Gradle task to collect all jUnit XML test reports from all submodules

jUnit-xml-test-reports-aggregation.gradle.kts

// The Gradle's test-report-aggregation collects only html reports in a single place and ignores XML reports
// Here is the custom task to collect all jUnit xml reports in a single place
tasks.register<Copy>("testCollectjUnitXmlReports") {
    val allTestTasks = rootProject
        .subprojects
        .flatMap { it.tasks.withType<Test>() }
    val allJunitXmlLocations = allTestTasks
        .map { it.reports.junitXml.outputLocation.asFile.get() }
    from(*allJunitXmlLocations.toTypedArray())
    into(rootProject.layout.buildDirectory.dir("test-results/test"))
    include("*.xml")

    mustRunAfter(*allTestTasks.toTypedArray())
}