mvn test -f modules/idm/tests

testAddDuplicatedObject[6](org.picketlink.test.idm.basic.UserManagementTestCase)  Time elapsed: 0.184 sec  <<< ERROR!
java.lang.NoClassDefFoundError: Could not initialize class org.apache.directory.shared.ldap.util.SystemUtils
	at org.apache.directory.server.core.partition.ldif.LdifPartition.getOSFileName(LdifPartition.java:630)
	at org.apache.directory.server.core.partition.ldif.LdifPartition.getFileName(LdifPartition.java:621)
	at org.apache.directory.server.core.partition.ldif.LdifPartition.doInit(LdifPartition.java:187)
	at org.apache.directory.server.core.partition.AbstractPartition.initialize(AbstractPartition.java:65)
	at org.apache.directory.server.core.schema.SchemaPartition.doInit(SchemaPartition.java:229)
	at org.apache.directory.server.core.partition.AbstractPartition.initialize(AbstractPartition.java:65)
...

testAddDuplicatedObject[6](org.picketlink.test.idm.basic.UserManagementTestCase)  Time elapsed: 0.184 sec  <<< ERROR!
java.lang.RuntimeException: Error starting Embedded LDAP server.
	at org.picketlink.test.idm.testers.SingleConfigLDAPJPAStoreConfigurationTester.afterTest(SingleConfigLDAPJPAStoreConfigurationTester.java:138)
	at org.picketlink.test.idm.AbstractPartitionManagerTestCase.onAfter(AbstractPartitionManagerTestCase.java:76)
	at jdk.internal.reflect.GeneratedMethodAccessor13.invoke(Unknown Source)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:566)
	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:45)
	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:42)
	at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:36)
...