tidy Timecop calls (#1053)

spec/models/form_handler_spec.rb

@@ -2,27 +2,18 @@ require "rails_helper"
 
 RSpec.describe FormHandler do
   let(:form_handler) { described_class.instance }
+  let(:now) { Time.utc(2022, 9, 20) }
 
-  before do
-    Timecop.freeze(Time.utc(2022, 9, 20))
+  around do |example|
+    Timecop.freeze(now) do
       Singleton.__init__(described_class)
+      example.run
     end
-
-  after do
-    Timecop.unfreeze
     Singleton.__init__(described_class)
   end
 
   context "when accessing a form in a different year" do
-    before do
-      Timecop.freeze(Time.utc(2021, 8, 3))
-      Singleton.__init__(described_class)
-    end
-
-    after do
-      Timecop.unfreeze
-      Singleton.__init__(described_class) # reload FormHandler Instance to update form definitions between runs
-    end
+    let(:now) { Time.utc(2021, 8, 3) }
 
     it "is able to load a current lettings form" do
       form = form_handler.get_form("current_lettings")
@@ -83,13 +74,7 @@ RSpec.describe FormHandler do
 
   describe "Current collection start year" do
     context "when the date is after 1st of April" do
-      before do
-        Timecop.freeze(Time.utc(2022, 8, 3))
-      end
-
-      after do
-        Timecop.unfreeze
-      end
+      let(:now) { Time.utc(2022, 8, 3) }
 
       it "returns the same year as the current start year" do
         expect(form_handler.current_collection_start_year).to eq(2022)
@@ -125,13 +110,7 @@ RSpec.describe FormHandler do
     end
 
     context "with the date before 1st of April" do
-      before do
-        Timecop.freeze(Time.utc(2022, 2, 3))
-      end
-
-      after do
-        Timecop.unfreeze
-      end
+      let(:now) { Time.utc(2022, 2, 3) }
 
       it "returns the previous year as the current start year" do
         expect(form_handler.current_collection_start_year).to eq(2021)