Add simple rpc and some cleanups

Change-Id: Ia779f9ee899fabfe5b685124f8c3b7c28a1110bb
diff --git a/tests/utests/netconf/yang/basic-rpc.yang b/tests/utests/netconf/yang/basic-rpc.yang
new file mode 100644
index 0000000..334c227
--- /dev/null
+++ b/tests/utests/netconf/yang/basic-rpc.yang
@@ -0,0 +1,28 @@
+module basic-rpc {
+    namespace "urn:acme:yang:basic";
+    prefix "basic";
+
+    leaf my-id {
+        type uint8;
+    }
+    leaf my-name {
+        type string;
+    }
+    leaf my-status {
+        type boolean;
+        config false;
+    }
+
+    rpc do-something {
+        input {
+           leaf my-input {
+              type string;
+           }
+        }
+        output {
+           leaf my-output {
+              type string;
+           }
+        }
+    }
+}