com/sun/tools/attach/warnings/DynamicLoadWarningTest.java fails on AIX

After push of JDK-8307478 , the following test started to fail on AIX :
com/sun/tools/attach/warnings/DynamicLoadWarningTest.java ; it always fails on AIX with the output :

----------System.err:(294/28579)----------
STARTED DynamicLoadWarningTest::testLoadJavaAgent 'testLoadJavaAgent()'
SUCCESSFUL DynamicLoadWarningTest::testLoadJavaAgent 'testLoadJavaAgent()'
STARTED DynamicLoadWarningTest::testLoadOneJvmtiAgent '[1] DynamicLoadWarningTest$$Lambda/0x000000040020bd88@600d90bb'
org.opentest4j.AssertionFailedError: expected: <1> but was: <2>
at org.junit.jupiter.api.AssertionFailureBuilder.build(AssertionFailureBuilder.java:151)
at org.junit.jupiter.api.AssertionFailureBuilder.buildAndThrow(AssertionFailureBuilder.java:132)
at org.junit.jupiter.api.AssertEquals.failNotEqual(AssertEquals.java:197)
at org.junit.jupiter.api.AssertEquals.assertEquals(AssertEquals.java:150)
at org.junit.jupiter.api.AssertEquals.assertEquals(AssertEquals.java:145)
at org.junit.jupiter.api.Assertions.assertEquals(Assertions.java:528)
at DynamicLoadWarningTest$AppRunner.stderrShouldContain(DynamicLoadWarningTest.java:298)
at DynamicLoadWarningTest.testLoadOneJvmtiAgent(DynamicLoadWarningTest.java:125)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)