message: Fix ruby rspec test to deserialize post long-running operation
diff: @@ -115,13 +115,13 @@ describe 'Long Running Operation' do
  it 'should succeed for post async retry' do
  result = @lros_client.post_async_retry_succeeded_async(@product).value!
  - expect(result.body).to be_nil
  + expect(result.body).to be_instance_of(Product)
  expect(result.response.status).to eq(200)
  end
  it 'should succeed for post async no retry' do
  result = @lros_client.post_async_no_retry_succeeded_async(@product).value!
  - expect(result.body).to be_nil
  + expect(result.body).to be_instance_of(Product)
  expect(result.response.status).to eq(200)
  end
  