axis2-fastinfoset JAR contains test classes

The axis2-fastinfoset JAR produced by the Maven build process contains test classes that are generated during the generate-test-sources phase by an antrun execution:

org/apache/axis2/fastinfoset/SimpleAddServiceCallbackHandler.class
org/apache/axis2/fastinfoset/SimpleAddServiceStub$1.class
org/apache/axis2/fastinfoset/SimpleAddServiceStub$2.class
org/apache/axis2/fastinfoset/SimpleAddServiceStub$3.class
org/apache/axis2/fastinfoset/SimpleAddServiceStub$AddFloats$1.class
org/apache/axis2/fastinfoset/SimpleAddServiceStub$AddFloats$Factory.class
org/apache/axis2/fastinfoset/SimpleAddServiceStub$AddFloats.class
org/apache/axis2/fastinfoset/SimpleAddServiceStub$AddFloatsResponse$1.class
org/apache/axis2/fastinfoset/SimpleAddServiceStub$AddFloatsResponse$Factory.class
org/apache/axis2/fastinfoset/SimpleAddServiceStub$AddFloatsResponse.class
org/apache/axis2/fastinfoset/SimpleAddServiceStub$AddInts$1.class
org/apache/axis2/fastinfoset/SimpleAddServiceStub$AddInts$Factory.class
org/apache/axis2/fastinfoset/SimpleAddServiceStub$AddInts.class
org/apache/axis2/fastinfoset/SimpleAddServiceStub$AddIntsResponse$1.class
org/apache/axis2/fastinfoset/SimpleAddServiceStub$AddIntsResponse$Factory.class
org/apache/axis2/fastinfoset/SimpleAddServiceStub$AddIntsResponse.class
org/apache/axis2/fastinfoset/SimpleAddServiceStub$AddStrings$1.class
org/apache/axis2/fastinfoset/SimpleAddServiceStub$AddStrings$Factory.class
org/apache/axis2/fastinfoset/SimpleAddServiceStub$AddStrings.class
org/apache/axis2/fastinfoset/SimpleAddServiceStub$AddStringsResponse$1.class
org/apache/axis2/fastinfoset/SimpleAddServiceStub$AddStringsResponse$Factory.class
org/apache/axis2/fastinfoset/SimpleAddServiceStub$AddStringsResponse.class
org/apache/axis2/fastinfoset/SimpleAddServiceStub$ExtensionMapper.class
org/apache/axis2/fastinfoset/SimpleAddServiceStub.class

These classes are not included when building with maven.test.skip=true.