定义一个新的配置，依赖于junit-platform-console-standalone工件，并根据需要配置控制台启动器。

configurations {
    standalone
}

dependencies {
    standalone 'org.junit.platform:junit-platform-console-standalone:1.0.0-SNAPSHOT'
}

task downloadJUnitPlatformStandalone(type: Copy) {
    from configurations.standalone
    into "$buildDir/junit-platform-standalone"
    eachFile { println " (standalone) -> " + it.file.name }
}

task runJUnitPlatformStandalone(type: JavaExec, dependsOn: downloadJUnitPlatformStandalone) {
    jvmArgs '-ea'
    jvmArgs '-Djava.util.logging.config.file=src/test/logging.properties'
    classpath = fileTree(dir: "$buildDir/junit-platform-standalone", include: '*.jar') + project.sourceSets.test.runtimeClasspath
    main 'org.junit.platform.console.ConsoleLauncher'
    args += '--scan-class-path'
    args += '--disable-ansi-colors'
    args += '--details=tree'
    args += "--reports-dir=$project.testReportDir"
}

test.dependsOn runJUnitPlatformStandalone

源junit-platform-standalone.gradle或替代（仅Jupiter）依赖项jupiter.gradle。
无需自行配置和下载：https://discuss.gradle.org/t/junit-5-jupiter-platform-snapshot-console-launcher-task/19773/2

看来我找到了一个更好的选择
任务myTask（类型：Junit5TestRunner）在这里，我们设置了一个任务
Sormuras的回答无疑给了我一个正确的方向。解决方案是将大多数样板代码移到单独的任务类中，然后从脚本中使用该任务，从而使其更具可重用性。
班级

/**
 *
 * Created by Vladimir Bogodkhov on 21/04/17.
 * @author Vladimir Bogodkhov
 */
class SQJUnit5 extends JavaExec {

    enum Details {

        /**
         * No test plan execution details are printed.
         */
        none("none"),

        /**
         * Test plan execution details are rendered in a flat, line-by-line mode.
         */
        flat("flat"),

        /**
         * Test plan execution details are rendered as a simple tree.
         */
        tree("tree"),

        /**
         * Combines tree flat modes.
         */
        verbose("verbose");

        Details(String id) {
            this.id = Objects.requireNonNull(id);
        }

        final String id

    }

    List<String> includeTags
    List<String> excludeTags
    List<String> includeTests = ['^.*Tests?$']
    List<String> excludeTests
    File reportsdir
    Details details = Details.none;
    List<String> scanclasspath

    SQJUnit5() {
        jvmArgs '-ea'
        main 'org.junit.platform.console.ConsoleLauncher'
        args += '--disable-ansi-colors'
        args += '--details=tree'
        args += '--details-theme=unicode'
    }

    @Override
    void exec() {
        prepare()
        super.exec()
    }

    private void prepare() {
        if (includeTags) includeTags.each { args += ['--include-tag', it] }
        if (excludeTags) excludeTags.each { args += ['--exclude-tag', it] }
        if (includeTests) includeTests.each { args += ['--include-classname', it] }
        if (excludeTests) excludeTests.each { args += ['--exclude-classname', it] }
        if (reportsdir) {
            if (reportsdir.exists() && !reportsdir.isDirectory()) {
                throw new IllegalStateException("reportsdir must be a directory. $reportsdir.absolutePath")
            }
            args += ['--reports-dir', reportsdir.absolutePath]
        }

        if (!scanclasspath) {
            args += ['--scan-class-path']
        } else {
            scanclasspath.each { args += ['--scan-class-path', it] }
        }
    }
}

脚本片段

task particularTests(type: SQJUnit5, dependsOn: build) {
    classpath = project.sourceSets.test.runtimeClasspath + fileTree(dir: '../../libs/junit5', include: '*.jar')

    excludeTags = ['DebugRun']// optional param
    includeTests = ['^.*Check$', '^.*Probe$']// optional param
    details = SQJUnit5.Details.verbose // optional param
    reportsdir = file('build/testReportDir') // optional param
}

现在junit5测试可以用作普通Gradle任务。