Update model tests

spec/models/form/sales/pages/staircase_spec.rb

@@ -5,7 +5,11 @@ RSpec.describe Form::Sales::Pages::Staircase, type: :model do
 
   let(:page_id) { nil }
   let(:page_definition) { nil }
-  let(:subsection) { instance_double(Form::Subsection, form: instance_double(Form, start_date: Time.zone.local(2023, 4, 1), start_year_2025_or_later?: false)) }
+  let(:subsection) { instance_double(Form::Subsection, form: instance_double(Form, start_date: Time.zone.local(2023, 4, 1))) }
+
+  before do
+    allow(subsection.form).to receive(:start_year_2025_or_later?).and_return(false)
+  end
 
   it "has correct subsection" do
     expect(page.subsection).to eq(subsection)

spec/models/form/sales/subsections/setup_spec.rb

@@ -23,6 +23,7 @@ RSpec.describe Form::Sales::Subsections::Setup, type: :model do
   context "when start year is before 2024" do
     before do
       allow(section.form).to receive(:start_year_2024_or_later?).and_return(false)
+      allow(section.form).to receive(:start_year_2025_or_later?).and_return(false)
     end
 
     it "has correct pages" do
@@ -49,6 +50,7 @@ RSpec.describe Form::Sales::Subsections::Setup, type: :model do
   context "when start year is >= 2024" do
     before do
       allow(section.form).to receive(:start_year_2024_or_later?).and_return(true)
+      allow(section.form).to receive(:start_year_2025_or_later?).and_return(false)
     end
 
     it "has correct pages" do