The error message doesn't look very helpful:

testJavaBeanSchemaInitializerInterceptor Failure description expected:<...eanSchemaInitializer[ ]> but was:<...eanSchemaInitializer[]>
junit.framework.ComparisonFailure: description expected:<...eanSchemaInitializer[
]> but was:<...eanSchemaInitializer[]>
at org.jboss.test.xml.mbeanserver.XMBean2UnitTestCase.testJavaBeanSchemaInitializerInterceptor(XMBean2UnitTestCase.java:129)

log snipet
...
2007-08-28 20:02:49,906 DEBUG [org.jboss.xb.binding.parser.sax.SaxJBossXBParser] http://apache.org/xml/features/validation/dynamic set to: true
2007-08-28 20:02:49,906 DEBUG [org.jboss.xb.binding.parser.sax.SaxJBossXBParser] Using parser: org.apache.xerces.jaxp.SAXParserImpl@c79809, isNamespaceAware: true, isValidating: true, isXIncludeAware: true
2007-08-28 20:02:49,921 DEBUG [org.jboss.xb.binding.parser.sax.SaxJBossXBParser] Created parser: org.apache.xerces.jaxp.SAXParserImpl@1ce784b, isNamespaceAware: true, isValidating: true, isXIncludeAware: true
2007-08-28 20:02:49,921 DEBUG [org.jboss.xb.binding.parser.sax.SaxJBossXBParser] http://xml.org/sax/features/validation set to: true
2007-08-28 20:02:49,921 DEBUG [org.jboss.xb.binding.parser.sax.SaxJBossXBParser] http://xml.org/sax/features/namespaces set to: true
2007-08-28 20:02:49,921 DEBUG [org.jboss.xb.binding.parser.sax.SaxJBossXBParser] http://apache.org/xml/features/validation/dynamic set to: true
2007-08-28 20:02:49,921 DEBUG [org.jboss.xb.binding.parser.sax.SaxJBossXBParser] Using parser: org.apache.xerces.jaxp.SAXParserImpl@1ce784b, isNamespaceAware: true, isValidating: true, isXIncludeAware: true
2007-08-28 20:02:49,968 DEBUG [org.jboss.mx.metadata.xb.DescriptorSupportContainer] addChild,

{urn:jboss-test:xmbean:2.0}

interceptors,org.jboss.mx.metadata.xb.InterceptorsHolder@9934d4
2007-08-28 20:02:49,968 DEBUG [org.jboss.mx.metadata.xb.ModelMBeanConstructorInfoContainer] addChild,

{urn:jboss-test:xmbean:2.0}

name,JNDIBindingService
2007-08-28 20:02:49,968 DEBUG [org.jboss.mx.metadata.xb.ModelMBeanConstructorInfoContainer] addChild,

{urn:jboss-test:xmbean:2.0}

description,The default no-arg constructor
2007-08-28 20:02:49,968 DEBUG [org.jboss.mx.metadata.xb.ModelMBeanAttributeInfoContainer] addChild, access,read-write
2007-08-28 20:02:49,968 DEBUG [org.jboss.mx.metadata.xb.ModelMBeanAttributeInfoContainer] addChild,

{urn:jboss-test:xmbean:2.0}

description,The root JNDI name of the context the bindings
are to be added under
2007-08-28 20:02:49,968 DEBUG [org.jboss.mx.metadata.xb.ModelMBeanAttributeInfoContainer] addChild,

{urn:jboss-test:xmbean:2.0}

name,RootName
2007-08-28 20:02:49,968 DEBUG [org.jboss.mx.metadata.xb.ModelMBeanAttributeInfoContainer] addChild,

{urn:jboss-test:xmbean:2.0}

type,java.lang.String
2007-08-28 20:02:49,968 DEBUG [org.jboss.mx.metadata.xb.ModelMBeanAttributeInfoContainer] addChild, access,read-write
2007-08-28 20:02:49,968 DEBUG [org.jboss.mx.metadata.xb.ModelMBeanAttributeInfoContainer] addChild,

{urn:jboss-test:xmbean:2.0}

description,The JNDI bindings to add under the RootName
2007-08-28 20:02:49,968 DEBUG [org.jboss.mx.metadata.xb.ModelMBeanAttributeInfoContainer] addChild,

{urn:jboss-test:xmbean:2.0}

name,Bindings
2007-08-28 20:02:49,968 DEBUG [org.jboss.mx.metadata.xb.ModelMBeanAttributeInfoContainer] addChild,

{urn:jboss-test:xmbean:2.0}

type,org.jboss.naming.JNDIBindings
2007-08-28 20:02:49,968 DEBUG [org.jboss.mx.metadata.xb.ModelMBeanOperationInfoContainer] addChild, impact,ACTION_INFO
2007-08-28 20:02:49,968 DEBUG [org.jboss.mx.metadata.xb.ModelMBeanOperationInfoContainer] addChild,

{urn:jboss-test:xmbean:2.0}

description,The start lifecycle operation
2007-08-28 20:02:49,968 DEBUG [org.jboss.mx.metadata.xb.ModelMBeanOperationInfoContainer] addChild,

{urn:jboss-test:xmbean:2.0}

name,start
2007-08-28 20:02:49,968 DEBUG [org.jboss.mx.metadata.xb.ModelMBeanOperationInfoContainer] addChild,

{urn:jboss-test:xmbean:2.0}

return-type,void
2007-08-28 20:02:49,968 DEBUG [org.jboss.mx.metadata.xb.ModelMBeanOperationInfoContainer] addChild, impact,ACTION_INFO
2007-08-28 20:02:49,968 DEBUG [org.jboss.mx.metadata.xb.ModelMBeanOperationInfoContainer] addChild,

{urn:jboss-test:xmbean:2.0}

description,The stop lifecycle operation
2007-08-28 20:02:49,968 DEBUG [org.jboss.mx.metadata.xb.ModelMBeanOperationInfoContainer] addChild,

{urn:jboss-test:xmbean:2.0}

name,stop
2007-08-28 20:02:49,984 DEBUG [org.jboss.mx.metadata.xb.ModelMBeanOperationInfoContainer] addChild,

{urn:jboss-test:xmbean:2.0}

return-type,void
2007-08-28 20:02:49,984 DEBUG [org.jboss.mx.metadata.xb.ModelMBeanNotificationInfoContainer] addChild,

{urn:jboss-test:xmbean:2.0}

description,The bind event notification
2007-08-28 20:02:49,984 DEBUG [org.jboss.mx.metadata.xb.ModelMBeanNotificationInfoContainer] addChild,

{urn:jboss-test:xmbean:2.0}

name,bindEvent
2007-08-28 20:02:50,203 DEBUG [org.jboss.test.xml.mbeanserver.XMBean2UnitTestCase] testJavaBeanSchemaInitializerInterceptor took 750ms
2007-08-28 20:02:50,203 DEBUG [org.jboss.test.xml.mbeanserver.XMBean2UnitTestCase] ==== Stopping testJavaBeanSchemaInitializerInterceptor ====
2007-08-28 20:02:50,203 DEBUG [org.jboss.test.xml.mbeanserver.XMBean2UnitTestCase] ==== tornDown org.jboss.test.xml.mbeanserver.XMBean2UnitTestCase ====
...