Whitelist: add whitelist button in admin

spec/controllers/manager/procedures_controller_spec.rb

@@ -0,0 +1,14 @@
+describe Manager::ProceduresController, type: :controller do
+  describe '#whitelist' do
+    let(:administration) { create :administration }
+    let!(:procedure) { create(:procedure) }
+
+    before do
+      sign_in administration
+      post :whitelist, procedure_id: procedure.id
+      procedure.reload
+    end
+
+    it { expect(procedure.whitelisted_at).not_to be_nil }
+  end
+end