java/text/Format/DateFormat/DateFormatTest.java and NonGregorianFormatTest fail intermittently

java/text/Format/DateFormat/DateFormatTest.java

Test fails intermittently at TestRunTogetherPattern985:

----------System.out:(10/286)----------
DateFormatTest {
  TestYearParsing Passed
  TestWallyWedel Passed
  TestEquals Passed
  TestTwoDigitYearDSTParse Passed
  TestFieldPosition Passed
  TestPartialParse994 Passed
  TestRunTogetherPattern985 {
    FAIL
    Uncaught exception thrown in test method TestRunTogetherPattern985
----------System.err:(16/1056)----------
java.lang.RuntimeException: Uncaught exception thrown in test method TestRunTogetherPattern985
at IntlTest.errImpl(IntlTest.java:198)
at IntlTest.errln(IntlTest.java:185)
at IntlTest.run(IntlTest.java:126)
at DateFormatTest.main(DateFormatTest.java:43)
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:564)
at com.sun.javatest.regtest.agent.MainWrapper$MainThread.run(MainWrapper.java:115)
at java.base/java.lang.Thread.run(Thread.java:844)