fix 'Unable to find css ".select2-drop li" with text "Apple"'

    Capybara::ElementNotFound:
       Unable to find css ".select2-drop li" with text "Thailand"

Look like this line just closes the dropdown which was previously opened by 

    select2_container.find(".select2-choice").click
Merge pull request #20 from divineforest/fix-dropdown-double-click

fix 'Unable to find css ".select2-drop li" with text "Apple"'