Index: /applications/editors/josm/plugins/build-common.xml
===================================================================
--- /applications/editors/josm/plugins/build-common.xml	(revision 30552)
+++ /applications/editors/josm/plugins/build-common.xml	(revision 30553)
@@ -14,4 +14,5 @@
 
     <property name="josm"                   location="../../core/dist/josm-custom.jar"/>
+    <property name="josm.test.build.dir"    location="../../core/test/build"/>
     <property name="groovy.jar"             location="../00_core_tools/groovy-all-2.3.4.jar"/>
     <property name="plugin.build.dir"       location="build"/>
@@ -363,5 +364,5 @@
             <include name="**/*.jar"/>
         </fileset>
-        <pathelement path="../../core/test/build/unit"/>
+        <pathelement path="${josm.test.build.dir}/unit"/>
         <pathelement path="${josm}"/>
         <pathelement path="${plugin.jar}"/>