在AndroidStudio运行JUNIT单元测试的时候报错

就只是建立了一个helloworld的初始程序，然后到ExampleUnitTest里的
public class ExampleUnitTest {
@Test
public void addition_isCorrect() {
assertEquals(4, 2 + 2);
}
}来测试ExampleUnitTest ，然后就报如下错误

Could not write standard input to Gradle Test Executor 1.
java.io.IOException:
at java.base/java.io.FileOutputStream.writeBytes(Native Method)
at java.base/java.io.FileOutputStream.write(FileOutputStream.java:354)
at java.base/java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:81)
at java.base/java.io.BufferedOutputStream.flush(BufferedOutputStream.java:142)
at org.gradle.process.internal.streams.ExecOutputHandleRunner.forwardContent(ExecOutputHandleRunner.java:68)
at org.gradle.process.internal.streams.ExecOutputHandleRunner.run(ExecOutputHandleRunner.java:53)
at org.gradle.internal.concurrent.ExecutorPolicy$CatchAndRecordFailures.onExecute(ExecutorPolicy.java:64)
at org.gradle.internal.concurrent.ManagedExecutorImpl$1.run(ManagedExecutorImpl.java:48)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
at org.gradle.internal.concurrent.ThreadFactoryImpl$ManagedThreadRunnable.run(ThreadFactoryImpl.java:61)
at java.base/java.lang.Thread.run(Thread.java:829)

Task :app:testDebugUnitTest FAILED
Xworker.org.gradle.process.internal.worker.GradleWorkerMain
: java.lang.ClassNotFoundException: worker.org.gradle.process.internal.worker.GradleWorkerMain
FAILURE: Build failed with an exception.

  • What went wrong:
    Execution failed for task ':app:testDebugUnitTest'.

    Process 'Gradle Test Executor 1' finished with non-zero exit value 1

  • Try:
    Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.
  • Get more help at https://help.gradle.org/
    BUILD FAILED in 8s
    19 actionable tasks: 19 executed
    22:55:18: Task execution finished ':app:testDebugUnitTest --tests "cn.itcast.helloworld5.ExampleUnitTest"'.
  • 出错的提示信息如下图所示*

    img

构建工具.gradle安装目录不能有中文字符等非法字符。

楼主有解决吗，我也是遇到了这个问题，求教

把报错代码发给我看看