Choice fails to preload - not properly handled

[joeljfischer]

Bug Report

When a choice fails to preload, the choice is still added to the list of preloaded choices. This may lead to a choice set being presented with choices that are not loaded.

Reproduction Steps

1. Attempt to preload 3 cells
2. Once cell fails in the SDLPreloadChoicesOperation phase

Expected Behavior

Cell is not available in the SDLChoiceSetManager.preloadedMutableChoices set.

Observed Behavior

Cell is available in the SDLChoiceSetManager.preloadedMutableChoices set.

OS & Version Information

• iOS Version: n/a
• SDL iOS Version: 7.1.0-develop
• Testing Against: n/a

Test Case, Sample Code, and / or Example App

n/a