add test dependency on AntUnit
diff --git a/ivy.xml b/ivy.xml
index 4f5fec9..d9e5faf 100644
--- a/ivy.xml
+++ b/ivy.xml
@@ -33,8 +33,8 @@
     </description>
   </info>
   <configurations>
-		<conf name="default" description="full antlib with all dependencies"/>
-		<conf name="test" description="dependencies used for junit testing the antlib" visibility="private" />
+    <conf name="default" description="full antlib with all dependencies"/>
+    <conf name="test" description="dependencies used for junit testing the antlib" visibility="private" />
   </configurations>
   <publications xmlns:e="urn:ant.apache.org:ivy-extras">
     <artifact name="${artifact.name}" type="pom" ext="pom"/>
@@ -58,5 +58,6 @@
     <dependency org="org.apache.commons" name="commons-compress" rev="1.8" conf="default"/>
     <dependency org="org.tukaani" name="xz" rev="1.5" conf="default"/>
     <dependency org="junit" name="junit" rev="4.11" conf="test->default"/>
+    <dependency org="org.apache.ant" name="ant-antunit" rev="1.3" conf="test->default"/>
   </dependencies>
 </ivy-module>