Merge branch 'pb-file-collection-spec-kwargs' into 'master'

Fix Ruby 2.7 warnings in file collection specs

See merge request gitlab-org/gitlab!43987

spec/lib/gitlab/diff/file_collection/merge_request_diff_batch_spec.rb

@@ -120,7 +120,7 @@ RSpec.describe Gitlab::Diff::FileCollection::MergeRequestDiffBatch do
       described_class.new(merge_request.merge_request_diff,
                           batch_page,
                           batch_size,
-                          collection_default_args)
+                          **collection_default_args)
     end
   end
 

spec/support/shared_examples/lib/gitlab/diff_file_collections_shared_examples.rb

 # frozen_string_literal: true
 
 RSpec.shared_examples 'diff statistics' do |test_include_stats_flag: true|
-  subject { described_class.new(diffable, collection_default_args) }
+  subject { described_class.new(diffable, **collection_default_args) }
 
   def stub_stats_find_by_path(path, stats_mock)
     expect_next_instance_of(Gitlab::Git::DiffStatsCollection) do |collection|