Add coverage for `AccountDeletionRequest` class (#31937)

spec/models/account_deletion_request_spec.rb

@@ -0,0 +1,19 @@
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+RSpec.describe AccountDeletionRequest do
+  describe 'Associations' do
+    it { is_expected.to belong_to(:account).required }
+  end
+
+  describe '#due_at' do
+    before { stub_const 'AccountDeletionRequest::DELAY_TO_DELETION', 1.day }
+
+    it 'returns time from created at with delay added' do
+      account_deletion_request = Fabricate :account_deletion_request, created_at: Date.current.at_midnight
+      expect(account_deletion_request.due_at)
+        .to be_within(0.1).of(Date.tomorrow.at_midnight)
+    end
+  end
+end