Add parser support for YANG actions

Change-Id: I9e96ae15cee3f990dfa5ec3fac433faf71348e11
diff --git a/tests/datastore_access.cpp b/tests/datastore_access.cpp
index 2fac222..da3bc48 100644
--- a/tests/datastore_access.cpp
+++ b/tests/datastore_access.cpp
@@ -992,7 +992,7 @@
             }
 
             catching<OnExec>([&] {REQUIRE(datastore->executeRpc(rpc, input) == output);});
-            catching<OnExec>([&] {REQUIRE(proxyDatastore.executeRpc() == output);});
+            catching<OnExec>([&] {REQUIRE(proxyDatastore.execute() == output);});
         }
 
         SECTION("non-existing RPC")