ClassCastException in HierarchyManager

StampedeTest sometimes fails on this error:

java.lang.ClassCastException: org.apache.jackrabbit.core.id.NodeId cannot be cast to org.apache.jackrabbit.core.id.PropertyId
at org.apache.jackrabbit.core.HierarchyManagerImpl.resolvePropertyPath(HierarchyManagerImpl.java:386)
at org.hippoecm.repository.jackrabbit.HippoHierarchyManager.resolvePath(HippoHierarchyManager.java:149)
at org.hippoecm.repository.jackrabbit.HippoHierarchyManager.resolvePropertyPath(HippoHierarchyManager.java:99)
at org.hippoecm.repository.security.HippoAccessManager.getNodeId(HippoAccessManager.java:1085)
at org.hippoecm.repository.security.HippoAccessManager.hasPrivileges(HippoAccessManager.java:1471)
at org.hippoecm.repository.security.HippoAccessManager.isGranted(HippoAccessManager.java:440)
at org.apache.jackrabbit.core.ItemSaveOperation.validateTransientItems(ItemSaveOperation.java:467)
at org.apache.jackrabbit.core.ItemSaveOperation.perform(ItemSaveOperation.java:216)
at org.apache.jackrabbit.core.session.SessionState.perform(SessionState.java:216)
at org.apache.jackrabbit.core.ItemImpl.perform(ItemImpl.java:91)
at org.apache.jackrabbit.core.ItemImpl.save(ItemImpl.java:329)
at org.apache.jackrabbit.core.session.SessionSaveOperation.perform(SessionSaveOperation.java:65)
at org.apache.jackrabbit.core.session.SessionState.perform(SessionState.java:216)
at org.apache.jackrabbit.core.SessionImpl.perform(SessionImpl.java:365)
at org.apache.jackrabbit.core.SessionImpl.save(SessionImpl.java:816)
at org.hippoecm.repository.decorating.SessionDecorator.save(SessionDecorator.java:192)
at org.hippoecm.repository.impl.SessionDecorator.save(SessionDecorator.java:178)
at org.hippoecm.repository.standardworkflow.FolderWorkflowImpl.add(FolderWorkflowImpl.java:364)
at org.hippoecm.repository.standardworkflow.FolderWorkflowImpl.add(FolderWorkflowImpl.java:286)