Refactor nested document tests to simplify contexts and remove duplication

spec/system/nested_documentable_spec.rb

@@ -15,7 +15,6 @@ describe "Nested documentable" do
   let(:notice_text) { notice_text_for(factory, path) }
 
   context "New and edit path" do
-    describe "When allow attached documents setting is enabled" do
     before do
       Setting["uploads.documents.max_amount"] = 1
       create(:administrator, user: user) if admin_section?(path)
@@ -199,6 +198,17 @@ describe "Nested documentable" do
         expect(reader.info).to eq({})
       end
     end
+
+    describe "When allow attached documents setting is disabled" do
+      before { Setting["feature.allow_attached_documents"] = false }
+
+      scenario "Add new document button should not be available" do
+        do_login_for(user, management: management_section?(path))
+        visit path
+
+        expect(page).not_to have_content("Add new document")
+      end
+    end
   end
 
   describe "Only for edit path" do
@@ -240,18 +250,6 @@ describe "Nested documentable" do
     end
   end
 
-    describe "When allow attached documents setting is disabled" do
-      before { Setting["feature.allow_attached_documents"] = false }
-
-      scenario "Add new document button should not be available" do
-        do_login_for(user, management: management_section?(path))
-        visit path
-
-        expect(page).not_to have_content("Add new document")
-      end
-    end
-  end
-
   context "Show path" do
     let(:factory) { (factories - [:dashboard_action]).sample }
     let(:path) { polymorphic_path(documentable) }