updates step name

Author: JackSpagnoliNHS

features/cpt_api/search_for_patients.feature

@@ -5,6 +5,6 @@ Feature: Users are able to get patients from CPTS-FHIR
     @search_for_patients
     Scenario Outline: I can search for a list of patients
         Given I am an authorised prescriber with CPTS-FHIR app
-        When I request the list of patients using the <Identifier>
+        When I request the list of patients
         Then the response indicates a success
         And I can see the list of patients

features/steps/cpts_api_steps.py

@@ -39,6 +39,8 @@ def verify_both_identifier_error(context):
 
 @when("I request the list of patients")
 def request_patient_list(context):
+    # Example data sourced from
+    # https://digital.nhs.uk/developer/api-catalogue/personal-demographics-service-fhir/pds-fhir-api-test-data
     context.family_name = "CHISLETT"
     context.date_of_birth = "2008-09-20"
     context.postcode = "KT19 0ST"