Remove hidden text from subscribe button

app/views/dashboard/issues.html.haml

@@ -6,10 +6,8 @@
 .top-area
   = render 'shared/issuable/nav', type: :issues
   .nav-controls
-    = link_to params.merge(rss_url_options), class: 'btn' do
+    = link_to params.merge(rss_url_options), class: 'btn has-tooltip', title: 'Subscribe' do
       = icon('rss')
-      %span.icon-label
-        Subscribe
     = render 'shared/new_project_item_select', path: 'issues/new', label: "New Issue"
 
 = render 'shared/issuable/filter', type: :issues

spec/features/dashboard_issues_spec.rb

@@ -48,7 +48,7 @@ describe "Dashboard Issues filtering", feature: true, js: true do
     it 'updates atom feed link' do
       visit_issues(milestone_title: '', assignee_id: user.id)
 
-      link = find('.nav-controls a', text: 'Subscribe')
+      link = find('.nav-controls a[title="Subscribe"]')
       params = CGI.parse(URI.parse(link[:href]).query)
       auto_discovery_link = find('link[type="application/atom+xml"]', visible: false)
       auto_discovery_params = CGI.parse(URI.parse(auto_discovery_link[:href]).query)