Add step to assert a field is not present

.generator/conftest.py

@@ -465,6 +465,11 @@ def expect_response_has_field(context, response_path, field):
     """Check that a response has field."""
 
 
+@then(parsers.parse('the response "{response_path}" does not have field "{field}"'))
+def expect_response_does_not_have_field(context, response_path, field):
+    """Check that a response path does not have field."""
+
+
 @then(parsers.parse('the response "{response_path}" has item with field "{key_path}" with value {value}'))
 def expect_array_contains_object(context, response_path, key_path, value):
     """Check that a response attribute contains an object with the specified key and value."""

features/step_definitions/request_steps.ts

@@ -297,6 +297,13 @@ Then(
   }
 );
 
+Then(
+  "the response {string} does not have field {string}",
+  function (this: World, responsePath: string, field: string) {
+    expect(pathLookup(this.response, responsePath)).to.not.have.property(field);
+  }
+);
+
 Then(
   "the response {string} has length {int}",
   function (this: World, responsePath: string, fixtureLength: number) {