mockit.internal.startup.Startup.instrumentation causes test failures on Solaris, HP-UX and RHEL-ibm_jdk (wf core elytron module tests)

org.wildfly.extension.elytron.DomainTestCase
org.wildfly.extension.elytron.SaslTestCase
org.wildfly.extension.elytron.SubsystemParsingTestCase

java.lang.AssertionError: null
	at mockit.internal.startup.Startup.instrumentation(Startup.java:128)
	at mockit.internal.startup.Startup.retransformClass(Startup.java:231)
	at mockit.internal.state.CachedClassfiles.getClassfile(CachedClassfiles.java:95)
	at mockit.internal.ClassFile.createReaderOrGetFromCache(ClassFile.java:60)
	at mockit.internal.mockups.MockMethodCollector.collectMockMethods(MockMethodCollector.java:39)
	at mockit.internal.mockups.MockClassSetup.<init>(MockClassSetup.java:38)
	at mockit.MockUp.redefineMethods(MockUp.java:228)
	at mockit.MockUp.redefineClassOrImplementInterface(MockUp.java:211)
	at mockit.MockUp.<init>(MockUp.java:128)
	at org.wildfly.extension.elytron.TestEnvironment$ClassLoadingAttributeDefinitionsMock.<init>(TestEnvironment.java:101)
	at org.wildfly.extension.elytron.TestEnvironment$ClassLoadingAttributeDefinitionsMock.<init>(TestEnvironment.java:101)
	at org.wildfly.extension.elytron.TestEnvironment.mockCallerModuleClassloader(TestEnvironment.java:109)
	at org.wildfly.extension.elytron.DomainTestCase.init(DomainTestCase.java:80)
	at org.wildfly.extension.elytron.DomainTestCase.testDefaultRealmIdentity(DomainTestCase.java:89)

06:25:39,607 DEBUG (main) [org.wildfly.extension.elytron.CredentialStoreUtility] <CredentialStoreUtility.java:87> Credential Store created [target/tlstest.keystore] with master password "super_secret"