derive if ethnic has been refused from ethnic group

app/models/case_log.rb

@@ -320,6 +320,10 @@ class CaseLog < ApplicationRecord
     hb == 7
   end
 
+  def ethnic_refused?
+    ethnic_group == 17
+  end
+
   def receives_housing_related_benefits?
     receives_housing_benefit_only? || receives_uc_with_housing_element_excl_housing_benefit? ||
       receives_housing_benefit_and_universal_credit?
@@ -435,6 +439,7 @@ private
     self.totelder = get_totelder
     self.totadult = get_totadult
     self.refused = get_refused
+    self.ethnic = 17 if ethnic_refused?
     if %i[brent scharge pscharge supcharg].any? { |f| public_send(f).present? }
       self.brent ||= 0
       self.scharge ||= 0

app/services/imports/case_logs_import_service.rb

@@ -428,7 +428,7 @@ module Imports
         4
       when 17
         # Refused
-        5
+        17
       end
     end
 

spec/fixtures/softwire_imports/case_logs/0ead17cb-1668-442d-898c-0d52879ff592.xml

@@ -52,7 +52,7 @@
     <P1AR/>
     <P1Sex override-field="">Female</P1Sex>
     <P1Eco>6) Not Seeking Work</P1Eco>
-    <P1Eth>1 White: English/Scottish/Welsh/Northern Irish/British</P1Eth>
+    <P1Eth>17 Refused</P1Eth>
     <P1Nat>1 UK national resident in UK</P1Nat>
     <P2Age override-field="">2</P2Age>
     <P2AR/>