Updating test sources in several BUCK files

Change-Id: I17b83cb978f7b8fc1d31a1e96bec59a077dbdfbb
diff --git a/core/net/BUCK b/core/net/BUCK
index 42cb80c..9ec8907 100644
--- a/core/net/BUCK
+++ b/core/net/BUCK
@@ -1,5 +1,5 @@
 SRC = 'src/main/java/org/onosproject/**/'
-TEST = 'src/main/java/org/onosproject/**/'
+TEST = 'src/test/java/org/onosproject/**/'
 CURRENT_NAME = 'onos-core-net'
 CURRENT_TARGET = ':' + CURRENT_NAME