Unable to build wildfly master against wildfly-core master

mvn clean install -Dversion.org.wildfly.core=3.0.0.Alpha1-SNAPSHOT

testStandalone(org.jboss.as.test.smoke.subsystem.xml.StandardConfigsXMLValidationUnitTestCase)  Time elapsed: 0.238 sec  <<< FAILURE!
java.lang.AssertionError: 1:60 systemId='file:/home/darranl/src/wildfly10/wildfly/testsuite/integration/smoke/target/StandardConfigsXMLValidationUnitTestCase5907684017774151739xml' cvc-elt.1.a: Cannot find the declaration of element 'server'. a possible cause may be that a subsystem is not using the most up to date schema.
	at org.junit.Assert.fail(Assert.java:88)
	at org.jboss.as.test.smoke.subsystem.xml.AbstractValidationUnitTest$ErrorHandlerImpl.error(AbstractValidationUnitTest.java:323)
	at org.apache.xerces.util.ErrorHandlerWrapper.error(ErrorHandlerWrapper.java:135)
	at org.apache.xerces.impl.XMLErrorReporter.reportError(XMLErrorReporter.java:394)
	at org.apache.xerces.impl.XMLErrorReporter.reportError(XMLErrorReporter.java:325)
	at org.apache.xerces.impl.XMLErrorReporter.reportError(XMLErrorReporter.java:282)
	at org.apache.xerces.impl.xs.XMLSchemaValidator.handleStartElement(XMLSchemaValidator.java:2143)
	at org.apache.xerces.impl.xs.XMLSchemaValidator.startElement(XMLSchemaValidator.java:788)
	at org.apache.xerces.impl.XMLNSDocumentScannerImpl.scanStartElement(XMLNSDocumentScannerImpl.java:283)
	at org.apache.xerces.impl.XMLNSDocumentScannerImpl$NSContentDispatcher.scanRootElementHook(XMLNSDocumentScannerImpl.java:733)
	at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(XMLDocumentFragmentScannerImpl.java:1754)
	at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:324)
	at org.apache.xerces.parsers.XML11Configuration.parse(XML11Configuration.java:875)
	at org.apache.xerces.parsers.XML11Configuration.parse(XML11Configuration.java:798)
	at org.apache.xerces.jaxp.validation.StreamValidatorHelper.validate(StreamValidatorHelper.java:186)
	at org.apache.xerces.jaxp.validation.ValidatorImpl.validate(ValidatorImpl.java:129)
	at javax.xml.validation.Validator.validate(Validator.java:124)
	at org.jboss.as.test.smoke.subsystem.xml.StandardConfigsXMLValidationUnitTestCase.parseXml(StandardConfigsXMLValidationUnitTestCase.java:175)
	at org.jboss.as.test.smoke.subsystem.xml.StandardConfigsXMLValidationUnitTestCase.testStandalone(StandardConfigsXMLValidationUnitTestCase.java:97)