Created validation for when urgency and custom both true

app/models/event_procedure.rb

@@ -31,4 +31,14 @@ class EventProcedure < ApplicationRecord
   validates :room_type, presence: true, if: -> { health_insurance? }
   validates :urgency, inclusion: [true, false], if: -> { health_insurance? }
   validates :payment, presence: true
+
+  validate :custom_and_urgency_cannot_both_be_true
+
+  private
+
+  def custom_and_urgency_cannot_both_be_true
+    return unless procedure&.custom && urgency
+
+    errors.add(:base, "EventProcedure cannot have both custom and urgency as true")
+  end
 end

spec/models/event_procedure_spec.rb

@@ -54,6 +54,14 @@
     it { is_expected.to validate_presence_of(:patient_service_number) }
     it { is_expected.to validate_presence_of(:room_type) }
     it { is_expected.to validate_presence_of(:payment) }
+
+    context "when validating custom and urgency" do
+      let(:event) { build(:event_procedure, urgency: true, procedure_attributes: { custom: true }) }
+
+      it "is invalid when both are true" do
+        expect(event).not_to be_valid
+      end
+    end
   end
 
   describe ".enumerations" do