remove rubocop violation

spec/services/bulk_upload/downloader_spec.rb

@@ -12,7 +12,6 @@ RSpec.describe BulkUpload::Downloader do
     io
   end
 
-  # rubocop:disable RSpec/PredicateMatcher
   describe "#call" do
     let(:mock_storage_service) { instance_double(Storage::S3Service, get_file_io:) }
 
@@ -23,9 +22,8 @@ RSpec.describe BulkUpload::Downloader do
 
       expect(mock_storage_service).to have_received(:get_file_io).with(bulk_upload.identifier)
 
-      expect(File.exist?(downloader.path)).to be_truthy
+      expect(File).to exist(downloader.path)
       expect(File.read(downloader.path)).to eql("hello")
     end
   end
-  # rubocop:enable RSpec/PredicateMatcher
 end