added unit tests

Change-Id: Ic743a05b907456e1414a9bc587696de631d3f382

commented the controller test class

Change-Id: Id9afb0e60afb3839f65a41b04e7129db1010ca19

added OFChannelHandler tests

Change-Id: I45169988f0e4242a6e1c0baf34b1104f53873bb7
diff --git a/of/ctl/conf/checkstyle/sun_checks.xml b/of/ctl/conf/checkstyle/sun_checks.xml
index 7dd9d57..b1404c1 100644
--- a/of/ctl/conf/checkstyle/sun_checks.xml
+++ b/of/ctl/conf/checkstyle/sun_checks.xml
@@ -44,7 +44,7 @@
 
 <module name="Checker">
     <module name="SuppressionFilter">
-      <property name="file" value="${samedir}/suppressions.xml"/>
+      <property name="file" value="${config_loc}/suppressions.xml"/>
     </module>
     <!--
         If you set the basedir property below, then all reported file