message: plugin-sc-mc-exercise: fix fixtures
diff: @@ -61,7 +61,10 @@ export const states: Record<
  plugin: textPlugin,
  state: createTextState(Text.create({ text: 'second correct' }))
  },
  - feedback: undefined
  + feedback: {
  + plugin: textPlugin,
  + state: createTextState(Text.create({ text: '' }))
  + }
  },
  {
  isCorrect: false,
  