refactor start form

spec/system/template_spec.rb

@@ -16,7 +16,7 @@ RSpec.describe 'Template' do
       expect(page).to have_content(template.name)
       expect(page).to have_content('There are no Submissions')
       expect(page).to have_content('Send an invitation to fill and complete the form')
-      expect(page).to have_link('Sign it Yourself')
+      expect(page).to have_button('Sign it Yourself')
     end
   end