fill_in "search_by_user", :with => "Nonexistant User"
click_on "Search"
assert page.has_content?(I18n.t("issues.index.user_not_found"))
fill_in "search_by_user", :with => "Nonexistant User"
click_on "Search"
assert page.has_content?(I18n.t("issues.index.user_not_found"))