add spec

spec/system/avo/avo_cmd_return_to_submits_spec.rb

@@ -0,0 +1,16 @@
+require 'rails_helper'
+
+RSpec.describe "CmdReturnToSubmits", type: :system do
+  let(:admin) { create :user, roles: {admin: true} }
+  let(:project) { create :project }
+  before do
+    login_as admin
+  end  # include TestHelpers::DisableAuthentication
+
+  it "submits form when cmd+enter is pressed" do
+    visit "/admin/resources/projects/#{project.id}/edit"
+    element = find("input[name='project[name]']")
+    element.send_keys [:control, :enter]
+    expect(page).to have_text "Project updated"
+  end
+end