Xray Migration Tool - TestMemento Import does not take into account custom TestTypes

org.apache.commons.lang3.NotImplementedException: Unsupported import for test memento of type OTHER
	at com.xpandit.raven.imports.project.ao.TestMementoImport.handleEntity(TestMementoImport.java:86)
	at com.atlassian.jira.imports.project.ao.handler.ChainedAoSaxHandler.endRow(ChainedAoSaxHandler.java:289)
	at com.atlassian.jira.imports.project.ao.handler.ChainedAoSaxHandler.endElement(ChainedAoSaxHandler.java:193)
	at com.atlassian.jira.imports.project.ao.handler.ChainedAoSaxHandler.endElement(ChainedAoSaxHandler.java:151)
	at org.apache.xerces.parsers.AbstractSAXParser.endElement(Unknown Source)
	at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanEndElement(Unknown Source)
	at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(Unknown Source)
	at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source)
	at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
	at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
	at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
	at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
	at org.apache.xerces.jaxp.SAXParserImpl$JAXPSAXParser.parse(Unknown Source)
	at com.atlassian.security.xml.RestrictedXMLReader.parse(RestrictedXMLReader.java:103)
	at com.atlassian.jira.imports.xml.DefaultBackupXmlParser$XmlParser.parseXml(DefaultBackupXmlParser.java:115)
	at com.atlassian.jira.imports.xml.DefaultBackupXmlParser.parse(DefaultBackupXmlParser.java:64)
	at com.atlassian.jira.imports.xml.DefaultBackupXmlParser.parseXml(DefaultBackupXmlParser.java:52)
	at com.atlassian.jira.imports.xml.DefaultBackupXmlParser.parseAoBackupXml(DefaultBackupXmlParser.java:46)
	at com.atlassian.jira.imports.project.DefaultProjectImportManager.importAoData(DefaultProjectImportManager.java:696)
	at com.atlassian.jira.imports.project.DefaultProjectImportManager.doImport(DefaultProjectImportManager.java:644)
	at com.atlassian.jira.bc.imports.project.DefaultProjectImportService.doImport(DefaultProjectImportService.java:416)
	at com.atlassian.jira.web.action.admin.importer.project.ProjectImportSummary$ProjectImportCallable.call(ProjectImportSummary.java:285)
	at com.atlassian.jira.web.action.admin.importer.project.ProjectImportSummary$ProjectImportCallable.call(ProjectImportSummary.java:236)
	at com.atlassian.jira.task.TaskManagerImpl$TaskCallableDecorator.call(TaskManagerImpl.java:478)
	at com.atlassian.jira.task.TaskManagerImpl$TaskCallableDecorator.call(TaskManagerImpl.java:440)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at com.atlassian.jira.task.ForkedThreadExecutor$ForkedRunnableDecorator.run(ForkedThreadExecutor.java:216)
	at java.lang.Thread.run(Thread.java:748)