Merge DatastoreAccess executeRpc and executeAction

Sysrepo now uses the same method for rpc and action.

Change-Id: I3a8211b670189c9724d46d6235e5a68b3107c81a
diff --git a/tests/interpreter.cpp b/tests/interpreter.cpp
index d57ad64..c6d7c9c 100644
--- a/tests/interpreter.cpp
+++ b/tests/interpreter.cpp
@@ -454,7 +454,7 @@
         SECTION("exec")
         {
             REQUIRE_CALL(*input_datastore, getItems("/")).RETURN(DatastoreAccess::Tree{});
-            REQUIRE_CALL(*datastore, executeRpc("/example:launch-nukes", DatastoreAccess::Tree{})).RETURN(DatastoreAccess::Tree{});
+            REQUIRE_CALL(*datastore, execute("/example:launch-nukes", DatastoreAccess::Tree{})).RETURN(DatastoreAccess::Tree{});
             boost::apply_visitor(Interpreter(parser, proxyDatastore), command_{exec_{}});
         }