Update test_phone_number_lookup.py

Author: brianluisgomez

test/integration/test_phone_number_lookup.py

@@ -78,7 +78,7 @@ def validateResult(self, result: LookupResult, e_164_format: str, line_provider:
 
         # this can further simplify overall assertions with single one
         assert_that(result, has_properties(
-            'response_code', 30,
+            'response_code', 0,
             'e_164_format', e_164_format,
             'line_provider', line_provider,
             'country', is_one_of_string(["US", "Canada"]),