java/lang/reflect/PublicMethods/PublicMethodsTest.java fails because of too many open files

Test java/lang/reflect/PublicMethods/PublicMethodsTest.java failes with following error message:
interface I { static void m() {} }
interface J { void m(); }
interface K extends I, J { default void m() {} }
abstract class C { }
abstract class D extends C implements I { public abstract void m(); }
abstract class E extends D implements J, K { public void m() {} }
got compilation error: PublicMethodsTest$CompileException: /src/Test.java:1: error: cannot access unnamed package
public class Test {}
^
  /scratch/home/aginfra/CommonData/jtreg_dir/lib/jtreg.jar: Too many open files
interface I { static void m() {} }
interface J { void m(); }
interface K extends I, J { default void m() {} }
abstract class C { public abstract void m(); }
abstract class D extends C implements I { public abstract void m(); }
abstract class E extends D implements J, K { public void m() {} }
got compilation error: PublicMethodsTest$CompileException: /src/Test.java:1: error: cannot access unnamed package
public class Test {}

....

public class Test {}
^
  /scratch/home/aginfra/CommonData/jtreg_dir/lib/javatest.jar: Too many open files
interface I { static void m() {} }
interface J { static void m() {} }
interface K extends I, J { static void m() {} }
abstract class C { public static void m() {} }
abstract class D extends C implements I { public static void m() {} }
abstract class E extends D implements J, K { public static void m() {} }
got compilation error: PublicMethodsTest$CompileException: /src/Test.java:1: error: cannot access unnamed package
public class Test {}
^
  /scratch/home/aginfra/CommonData/jtreg_dir/lib/javatest.jar: Too many open files
----------System.err:(13/831)----------
java.lang.RuntimeException: There were 358 differences.
at PublicMethodsTest.main(PublicMethodsTest.java:78)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:543)
at com.sun.javatest.regtest.agent.MainWrapper$MainThread.run(MainWrapper.java:110)
at java.base/java.lang.Thread.run(Thread.java:844)

JavaTest Message: Test threw exception: java.lang.RuntimeException: There were 358 differences.
JavaTest Message: shutting down test

STATUS:Failed.`main' threw exception: java.lang.RuntimeException: There were 358 differences.