Ant Junit5:org.junit.platform.commons.util.PremissionViolationException:无法加载名为的类

我正在尝试从Junit4迁移到Junit5。以下是我正在使用的依赖项列表：

我能够使用Eclipse运行测试，但不能使用Ant运行它们。以下是堆栈跟踪的外观：

Jun 29, 2018 1:50:39 AM org.junit.platform.launcher.core.DefaultLauncher handleThrowable
WARNING: TestEngine with ID 'junit-vintage' failed to discover tests
org.junit.platform.commons.util.PreconditionViolationException: Could not load class with name: microservicehelper.AuthMicroserviceHelperTest
    at org.junit.platform.engine.discovery.ClassSelector.lambda$getJavaClass$0(ClassSelector.java:73)
    at java.util.Optional.orElseThrow(Optional.java:290)
    at org.junit.platform.engine.discovery.ClassSelector.getJavaClass(ClassSelector.java:72)
    at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193)
    at java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1382)
    at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481)
    at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471)
    at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151)
    at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174)
    at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
    at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418)
    at org.junit.vintage.engine.discovery.ClassSelectorResolver.resolve(ClassSelectorResolver.java:29)
    at org.junit.vintage.engine.discovery.VintageDiscoverer.collectTestClasses(VintageDiscoverer.java:64)
    at org.junit.vintage.engine.discovery.VintageDiscoverer.discover(VintageDiscoverer.java:51)
    at org.junit.vintage.engine.VintageTestEngine.discover(VintageTestEngine.java:61)
    at org.junit.platform.launcher.core.DefaultLauncher.discoverEngineRoot(DefaultLauncher.java:130)
    at org.junit.platform.launcher.core.DefaultLauncher.discoverRoot(DefaultLauncher.java:117)
    at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:90)
    at org.apache.tools.ant.taskdefs.optional.junitlauncher.JUnitLauncherTask.execute(JUnitLauncherTask.java:93)
    at JUnit5.main(JUnit5.java:154)

---

显然，在ANT_HOME/lib中添加Junit5依赖项解决了这个问题。（我已经在Build.xml的类路径中提到了它们）

您确定类在类路径上吗？是的，类在类路径上。