SDLChoiceSetManager does not remove InteractionChoiceSet (ID: 0) after sdl_sendTestChoices

[t-yoshii]

Bug Report

SDLChoiceSetManager does not remove InteractionChoiceSet (ID: 0) after sdl_sendTestChoices.

SDLChoiceSetManager creates following choice set and does not delete it.
https://github.com/smartdevicelink/sdl_ios/blob/master/SmartDeviceLink/SDLCheckChoiceVROptionalOperation.m#L73

Reproduction Steps

1. Connect SDL iOS app using SDL manager
2. Send CreateInteractionChoiceSet with id 0
3. Send PerformInteraction with ChoiceSet id 0

Expected Behavior

2. RPC succeed.
3. User see the choices list which are sent at Step 2.

Observed Behavior

2. RPC fails with "INVALID_ID" because ID:0 is already used.
3. User see unexpected list "Test cell" and "Test VR".

OS & Version Information

• iOS Version: iOS11, 12
• SDL iOS Version: 6.1.1
• Testing Against: Our intenal devboard. Ford SYNC devboard

Test Case, Sample Code, and / or Example App

https://github.com/smartdevicelink/sdl_ios/blob/master/SmartDeviceLink/SDLCheckChoiceVROptionalOperation.m#L73

[joeljfischer]

Generally, you should not mix using a manager with using the RPC directly, so this bug is minor. However, we will fix it for the next minor release.