Fixed some concurrency issues in NETCONF Session Added Unit Tests

Change-Id: I84fe0c17e3d757948a859f78d01fbb025397a44d
diff --git a/protocols/netconf/ctl/BUCK b/protocols/netconf/ctl/BUCK
index 1503f32..8271185 100644
--- a/protocols/netconf/ctl/BUCK
+++ b/protocols/netconf/ctl/BUCK
@@ -8,6 +8,7 @@
     '//lib:TEST_ADAPTERS',
     '//utils/osgi:onlab-osgi-tests',
     '//core/api:onos-api-tests',
+    '//lib:sshd-core'
 ]
 
 osgi_jar_with_tests (