refactor: update test

spec/serializers/decidim/forms/user_answers_serializer_spec.rb

@@ -67,7 +67,6 @@ module Forms
       end
 
       describe "#serialize" do
-
         let(:serialized) { subject.serialize }
 
         it "includes the answer for each question" do
@@ -87,7 +86,7 @@ module Forms
           end
 
           serialized_files_answer = files_answer.attachments.map(&:url)
-          
+
           expect(serialized).to include(
             "#{multichoice_question.position + 1}. #{translated(multichoice_question.body, locale: I18n.locale)}" => [multichoice_answer_choices.first.body, multichoice_answer_choices.last.body]
           )
@@ -103,7 +102,6 @@ module Forms
           expect(serialized).to include(
             "#{files_question.position + 1}. #{translated(files_question.body, locale: I18n.locale)}" => serialized_files_answer
           )
-
         end
 
         context "and includes the attributes" do
@@ -213,10 +211,9 @@ def memory_usage
       end
 
       describe "questions_hash" do
-
         it "generates a hash of questions ordered by position" do
           questions.shuffle!
-          expect(subject.instance_eval { questions_hash }.keys.map{|key| key[0].to_i}.uniq).to eq(questions.sort_by{|q| q.position}.map{|question| question.position + 1})
+          expect(subject.instance_eval { questions_hash }.keys.map { |key| key[0].to_i }.uniq).to eq(questions.sort_by(&:position).map { |question| question.position + 1 })
         end
       end
     end