Changed the way the notifications page is accessed. Instead of doing it through UI, after the notifications are created the test goes directly to the notifications page (after login in the user). To check if the notification icon is correctly shown, a new test has been created that only does that.

spec/shared/features/notifiable_in_app.rb

@@ -3,6 +3,15 @@ shared_examples "notifiable in-app" do |described_class|
   let(:author) { create(:user, :verified) }
   let!(:notifiable) { create(model_name(described_class), author: author) }
 
+  scenario "Notification icon is shown" do
+    notification = create(:notification, notifiable: notifiable, user: author)
+
+    login_as author
+    visit root_path
+
+    expect(page).to have_css ".icon-notification"
+  end
+
   scenario "A user commented on my notifiable", :js do
     notification = create(:notification, notifiable: notifiable, user: author)
 
@@ -26,13 +35,11 @@ shared_examples "notifiable in-app" do |described_class|
       within "#comments" do
         expect(page).to have_content "I agree"
       end
+      logout
     end
 
-    logout
     login_as author
-    visit root_path
+    visit notifications_path
-    visit root_path
-    find(".icon-notification").click
 
     expect(page).to have_css ".notification", count: 1
     expect(page).to have_content "There are 3 new comments on"
@@ -57,9 +64,7 @@ shared_examples "notifiable in-app" do |described_class|
 
     logout
     login_as author
-    visit root_path
+    visit notifications_path
-    visit root_path
-    find(".icon-notification").click
 
     expect(page).to have_css ".notification", count: 1
     expect(page).to have_content "Someone replied to your comment on"
@@ -86,9 +91,7 @@ shared_examples "notifiable in-app" do |described_class|
     end
 
     login_as author
-    visit root_path
+    visit notifications_path
-    visit root_path
-    find(".icon-notification").click
 
     expect(page).to have_css ".notification", count: 1
     expect(page).to have_content "There are 3 new replies to your comment on"
@@ -134,4 +137,4 @@ shared_examples "notifiable in-app" do |described_class|
 
   end
 
-end
+end