fix distribution PDFs comparison test

Author: Sukhpreet-s

spec/fixtures/files/distribution_incomplete_address.pdf

@@ -137,7 +137,7 @@ def compare_pdf(distribution, expected_file_path)
       begin
         # Run the following from Rails sandbox console (bin/rails/console --sandbox) to regenerate these comparison PDFs:
         # => load "lib/test_helpers/pdf_comparison_test_factory.rb"
-        # => Rails::ConsoleMethods.send(:prepend, PDFComparisonTestFactory)
+        # => Flipper.enable(:enable_packs)
         # => PDFComparisonTestFactory.create_comparison_pdfs
         expect(pdf_file).to eq(IO.binread(expected_file_path))
       rescue RSpec::Expectations::ExpectationNotMetError => e
@@ -146,6 +146,11 @@ def compare_pdf(distribution, expected_file_path)
       end
     end
 
+    # The generated PDFs (PDFs to use for comparison) are expecting the packs feature to be enabled.
+    before(:each) do
+      Flipper.enable(:enable_packs)
+    end
+
     let(:partner) { PDFComparisonTestFactory.create_partner(organization) }
     let(:file_paths) { PDFComparisonTestFactory.get_file_paths }
     let(:expected_different_address_file_path) { file_paths.expected_different_address_file_path }