run_keyword method
Implementation
Map run_keyword(name, List args) {
print('invoking method $name with args $args');
var resp = {'status': 'PASS', 'output': '', 'return': ''};
InstanceMirror instance_mirror = reflect(library);
var ret = instance_mirror.invoke(Symbol(name), args);
print("run keyword returned $ret");
resp["return"] = ret.reflectee.toString();
return resp;
}