Don't depend on the "Help" link in tests

In order to leave the page using turbolinks and then going back, we were
clicking on the "Help" page link, but this link doesn't have to be
available on every Consul Democracy installation.

So we're using the link to the homepage instead.

spec/shared/system/mappable.rb

@@ -88,9 +88,9 @@ shared_examples "mappable" do |mappable_factory_name, mappable_association_name,
 
           expect(page).to have_content "User management"
         else
-          click_link "Help"
+          click_link "CONSUL"
 
-          expect(page).to have_content "CONSUL is a platform for citizen participation"
+          expect(page).to have_content "Most active proposals"
         end
 
         go_back
@@ -121,9 +121,9 @@ shared_examples "mappable" do |mappable_factory_name, mappable_association_name,
 
           expect(page).to have_content "User management"
         else
-          click_link "Help"
+          click_link "CONSUL"
 
-          expect(page).to have_content "CONSUL is a platform for citizen participation"
+          expect(page).to have_content "Most active proposals"
         end
 
         go_back
@@ -154,9 +154,9 @@ shared_examples "mappable" do |mappable_factory_name, mappable_association_name,
 
           expect(page).to have_content "User management"
         else
-          click_link "Help"
+          click_link "CONSUL"
 
-          expect(page).to have_content "CONSUL is a platform for citizen participation"
+          expect(page).to have_content "Most active proposals"
         end
 
         go_back

spec/system/legislation/draft_versions_spec.rb

@@ -278,9 +278,9 @@ describe "Legislation Draft Versions" do
 
       expect(page).to have_css(".annotator-hl", count: 1)
 
-      click_link "Help"
+      click_link "CONSUL"
 
-      expect(page).to have_content "CONSUL is a platform for citizen participation"
+      expect(page).to have_content "Most active proposals"
 
       go_back
 
@@ -296,9 +296,9 @@ describe "Legislation Draft Versions" do
 
       find(:css, ".annotator-hl").click
 
-      click_link "Help"
+      click_link "CONSUL"
 
-      expect(page).to have_content "CONSUL is a platform for citizen participation"
+      expect(page).to have_content "Most active proposals"
 
       go_back
 

spec/system/proposals_spec.rb

@@ -214,9 +214,9 @@ describe "Proposals" do
       Setting["org_name"] = "CONSUL"
       proposal = create(:proposal)
       visit proposal_path(proposal)
-      click_link "Help"
+      click_link "CONSUL"
 
-      expect(page).to have_content "CONSUL is a platform for citizen participation"
+      expect(page).to have_content "Most active proposals"
 
       go_back