fix update email

app/controllers/users/registrations_controller.rb

@@ -23,10 +23,6 @@ def edit_profile
 
   private
 
-  def update_resource(resource, params)
-    resource.update(params)
-  end
-
   def devise_mapping
     @devise_mapping ||= Devise.mappings[:user]
   end

spec/controllers/users/registrations_spec.rb

@@ -17,4 +17,17 @@
     it { subject; expect(created_account).to have_attributes(name: email, email: email) }
     it { subject; expect(created_user.account).to eq(created_account) }
   end
-end
+
+  describe '#update' do
+    before { sign_in user }
+
+    let(:password) { FFaker::Internet.password }
+    let(:user) { create(:user, password: password) }
+    let(:new_email) { FFaker::Internet.email }
+
+    subject { put :update, params: { id: user.id, user: { email: new_email, current_password: password } } }
+
+    it { expect(subject).to have_http_status(:redirect) }
+    it { expect { subject }.to change { user.reload.email }.to(new_email) }
+  end
+end