added junit as dependency

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/companions/extras/trunk@1396012 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/pom.xml b/pom.xml
index af1c06e..9edf2dd 100644
--- a/pom.xml
+++ b/pom.xml
@@ -263,7 +263,12 @@
               </exclusion>
           </exclusions>
       </dependency>
-
+      <dependency>
+          <groupId>junit</groupId>
+          <artifactId>junit</artifactId>
+          <version>3.8.1</version>
+          <scope>test</scope>
+      </dependency>
       <dependency>
       	  <groupId>hsqldb</groupId>
           <artifactId>hsqldb</artifactId>