infer the correct field value and remove irrelevant dynamically not required line

app/models/case_log.rb

@@ -396,7 +396,7 @@ private
   end
 
   def reset_derived_questions
-    dependent_questions = { layear: [{ key: :renewal, value: 0 }],
+    dependent_questions = { waityear: [{ key: :renewal, value: 0 }],
                             homeless: [{ key: :renewal, value: 0 }],
                             referral: [{ key: :renewal, value: 0 }],
                             underoccupation_benefitcap: [{ key: :renewal, value: 0 }] }
@@ -418,10 +418,7 @@ private
   end
 
   def dynamically_not_required
-    la_known_questions = []
-    la_known_questions << "la_known" if postcode_known != 0
-    la_known_questions << "previous_la_known" if previous_postcode_known != 0
-    ((form.invalidated_questions(self) + form.readonly_questions).map(&:id) + la_known_questions).uniq
+    (form.invalidated_questions(self) + form.readonly_questions).map(&:id).uniq
   end
 
   def set_derived_fields!
@@ -462,7 +459,7 @@ private
       self.underoccupation_benefitcap = 2 if collection_start_year == 2021
       self.homeless = 2
       self.referral = 0
-      self.layear = 1
+      self.waityear = 1
       if is_general_needs?
         # fixed term
         self.prevten = 32 if managing_organisation.provider_type == "PRP"

spec/models/case_log_spec.rb

@@ -1381,10 +1381,10 @@ RSpec.describe CaseLog do
         })
       end
 
-      it "correctly derives and saves layear" do
-        record_from_db = ActiveRecord::Base.connection.execute("select layear from case_logs where id=#{case_log.id}").to_a[0]
-        expect(record_from_db["layear"]).to eq(1)
-        expect(case_log["layear"]).to eq(1)
+      it "correctly derives and saves waityear" do
+        record_from_db = ActiveRecord::Base.connection.execute("select waityear from case_logs where id=#{case_log.id}").to_a[0]
+        expect(record_from_db["waityear"]).to eq(1)
+        expect(case_log["waityear"]).to eq(1)
       end
 
       it "correctly derives and saves underoccupation_benefitcap if year is 2021" do
@@ -1703,29 +1703,29 @@ RSpec.describe CaseLog do
     context "when it changes from a renewal to not a renewal" do
       let(:case_log) { FactoryBot.create(:case_log) }
 
-      it "resets inferred layear value" do
+      it "resets inferred waityear value" do
         case_log.update!({ renewal: 1 })
 
-        record_from_db = ActiveRecord::Base.connection.execute("select layear from case_logs where id=#{case_log.id}").to_a[0]
-        expect(record_from_db["layear"]).to eq(1)
-        expect(case_log["layear"]).to eq(1)
+        record_from_db = ActiveRecord::Base.connection.execute("select waityear from case_logs where id=#{case_log.id}").to_a[0]
+        expect(record_from_db["waityear"]).to eq(1)
+        expect(case_log["waityear"]).to eq(1)
 
         case_log.update!({ renewal: 0 })
-        record_from_db = ActiveRecord::Base.connection.execute("select layear from case_logs where id=#{case_log.id}").to_a[0]
-        expect(record_from_db["layear"]).to eq(nil)
-        expect(case_log["layear"]).to eq(nil)
+        record_from_db = ActiveRecord::Base.connection.execute("select waityear from case_logs where id=#{case_log.id}").to_a[0]
+        expect(record_from_db["waityear"]).to eq(nil)
+        expect(case_log["waityear"]).to eq(nil)
       end
     end
 
     context "when it is not a renewal" do
       let(:case_log) { FactoryBot.create(:case_log) }
 
-      it "saves layear value" do
-        case_log.update!({ renewal: 0, layear: 2 })
+      it "saves waityear value" do
+        case_log.update!({ renewal: 0, waityear: 2 })
 
-        record_from_db = ActiveRecord::Base.connection.execute("select layear from case_logs where id=#{case_log.id}").to_a[0]
-        expect(record_from_db["layear"]).to eq(2)
-        expect(case_log["layear"]).to eq(2)
+        record_from_db = ActiveRecord::Base.connection.execute("select waityear from case_logs where id=#{case_log.id}").to_a[0]
+        expect(record_from_db["waityear"]).to eq(2)
+        expect(case_log["waityear"]).to eq(2)
       end
     end
   end