Index: xdocs/properties.xml
===================================================================
--- xdocs/properties.xml	(revision 156540)
+++ xdocs/properties.xml	(working copy)
@@ -93,6 +93,16 @@
           </td>
         </tr>
         <tr>
+          <td>maven.test.classpath</td>
+          <td>Yes</td>
+          <td>
+            Specifies one or more locations that will be added to
+            the classpath when the tests are run. Multiple values
+            can be used; the rules of the ant &lt;pathelement path=&quot;...&quot;&gt;
+            directive apply.
+          </td>
+        </tr>
+        <tr>
           <td>maven.test.skip</td>
           <td>Yes</td>
           <td>
Index: plugin.properties
===================================================================
--- plugin.properties	(revision 156540)
+++ plugin.properties	(working copy)
@@ -32,3 +32,4 @@
 maven.test.dest = ${maven.build.dir}/test-classes
 maven.test.reportsDirectory = ${maven.build.dir}/test-reports
 maven.test.skip = false
+maven.test.classpath =
Index: plugin.jelly
===================================================================
--- plugin.jelly	(revision 156540)
+++ plugin.jelly	(working copy)
@@ -161,6 +161,9 @@
             <pathelement path="${plugin.getDependencyPath('xml-apis')}"/>
             <pathelement path="${plugin.getDependencyPath('xerces')}"/>
           </j:if>
+          <j:if test="${not empty(context.getVariable('maven.test.classpath'))}">
+            <pathelement path="${maven.test.classpath}"/>
+          </j:if>
         </classpath>
         <batchtest todir="${maven.test.reportsDirectory}">
           <fileset dir="${maven.test.searchdir}">
@@ -278,6 +281,9 @@
                 <pathelement path="${plugin.getDependencyPath('xml-apis')}"/>
                 <pathelement path="${plugin.getDependencyPath('xerces')}"/>
               </j:if>
+              <j:if test="${not empty(context.getVariable('maven.test.classpath'))}">
+                <pathelement path="${maven.test.classpath}"/>
+              </j:if>
             </classpath>
 
             <test name="${testcase}" todir="${maven.test.reportsDirectory}"/>
@@ -357,6 +363,9 @@
                 <pathelement path="${plugin.getDependencyPath('xml-apis')}"/>
                 <pathelement path="${plugin.getDependencyPath('xerces')}"/>
               </j:if>
+              <j:if test="${not empty(context.getVariable('maven.test.classpath'))}">
+                <pathelement path="${maven.test.classpath}"/>
+              </j:if>
             </classpath>
 
             <batchtest todir="${maven.test.reportsDirectory}">