if dont know joint tenancy dont validate hhmemb (#1477)

app/models/validations/tenancy_validations.rb

@@ -42,7 +42,7 @@ module Validations::TenancyValidations
   def validate_joint_tenancy(record)
     return unless record.collection_start_year && record.joint
 
-    if record.hhmemb == 1 && record.joint != 2 && record.collection_start_year >= 2022
+    if record.hhmemb == 1 && record.joint == 1 && record.collection_start_year >= 2022
       record.errors.add :joint, :not_joint_tenancy, message: I18n.t("validations.tenancy.not_joint")
       record.errors.add :hhmemb, I18n.t("validations.tenancy.joint_more_than_one_member")
     end

spec/models/validations/tenancy_validations_spec.rb

@@ -311,6 +311,16 @@ RSpec.describe Validations::TenancyValidations do
         expect(record.errors["joint"]).to be_empty
         expect(record.errors["hhmemb"]).to be_empty
       end
+
+      it "does not error when don't know answer to joint" do
+        record.hhmemb = 1
+        record.joint = 3
+
+        tenancy_validator.validate_joint_tenancy(record)
+
+        expect(record.errors["joint"]).to be_empty
+        expect(record.errors["hhmemb"]).to be_empty
+      end
     end
   end
 end