diff --git a/build.xml b/build.xml
index 42a84030..21991f3d 100644
--- a/build.xml
+++ b/build.xml
@@ -145,11 +145,13 @@
           description="Runs unit tests. Use -Dtest=Foo to run only FooTest.">
     <taskdef name="unit" classpathref="test.classpath"
       classname="org.apache.tools.ant.taskdefs.optional.junit.JUnitTask"/>
+    <mkdir dir="${deploy.dir}/test-reports"/>
     <unit printsummary="off" haltonfailure="yes">
       <classpath refid="test.classpath"/>
       <sysproperty key="test_dir" value="${tclasses.dir}"/>
       <formatter type="brief" usefile="false"/>
-      <batchtest>
+      <formatter type="xml"/>
+      <batchtest todir="${deploy.dir}/test-reports">
         <fileset dir="${tsrc.dir}" includes="**/*${test}*Test.java"/>
       </batchtest>
     </unit>