How to assert for a "not null" response in the json response from soap api?
How to assert for a "not null" response in the json response from soap api using groovy scripting
You can try something like this snippet of code, that asserts that the repsonse is not null, is not an empty collection, and is not an empty string:
def response = context.expand( '${TestStepName#Response}' ) assert (response != null) && (response != "") && (response != []);
