changed build.xml
update to junit an ant
update to classpath
added         <pathelement
location="../../../Downloads/junit-4.10.jar"/>
build.xml changes
changes to build.xml file

../../../Downloads/junit-4.10.jar
removed changes for junit test.classpath
added: ../../../Downloads/junit-4.10.jar for Classpath
library chagnes
set classpath export
CLASSPATH=$CLASSPATH:/Users/xxxx/Downloads/junit-4.10.jar