it 'should search repository' do
 visit '/'
 fill_in('q', with: 'selenium')
 find('a[data-item-type="global_search"]').click
 output = all('.repo-list-item').map do |li|
 li.all('a').first.text
 end
 puts output
 expect(output).to include(match(/selenium/i))
 end

Failures:
 1) github search should search repository
 Failure/Error: find('a[data-item-type="global_search"]').click
 
 Capybara::ElementNotFound:
 Unable to find visible css "a[data-item-type=\"global_search\"]"
 # ./spec/feature/github_search_spec.rb:18:in `block (2 levels) in <top (required)>'
 # ./spec/feature/github_search_spec.rb:8:in `block (2 levels) in <top (required)>'