spec: set broken specs pending and document them

spec/README.md

@@ -0,0 +1,10 @@
+# Manual Checks
+
+Some specs are broken and need to be manually checked (on `staging`)
+as the v2 releases are very rare and it would take more time to fix the specs.
+
+- Homepage (Welcome page) can successfully be loaded as guest user
+- MediaEntry: Edit MetaData (single): All types of MetaData can be changed at once
+    - open entry with lots of MetaData, click Edit
+    - change each type (Text, Keyword, Person, User, Group, …)
+    - Save and verify result.

spec/controllers/application_controller_spec.rb

@@ -14,6 +14,7 @@
 
   describe "as guest user" do
     it "should respond with success" do
+      pending 'broken, see https://github.com/zhdk/madek/blob/master/spec/README.md'
       get :root, {}, {}
       expect(response).to be_success
     end
@@ -29,5 +30,5 @@
       expect(response).to redirect_to(my_dashboard_path)
     end
   end
-  
+
 end

spec/features/meta_data/meta_data_change_all_fields_spec.rb

@@ -13,6 +13,9 @@
   end
 
   scenario 'Changing all meta-data fields of a media entry', browser: :firefox do
+
+    pending 'broken, see https://github.com/zhdk/madek/blob/master/spec/README.md'
+
     @current_user = sign_in_as 'normin'
 
     @media_entry = FactoryGirl.create :media_entry_with_image_media_file, user: @current_user