Refactor test of clicking multi correct answer

src/app/components/mc/editor.test.tsx

@@ -290,7 +290,7 @@ describe('QuestionSetEditorUIService', () => {
     ])
   })
 
-  it('should only choose one last correct answer no matter how many are clicked as correct answer', () => {
+  it('should only choose one correct answer no matter how many are clicked as correct', () => {
     const interactor = new UIServiceInteractor({})
 
     interactor
@@ -309,22 +309,10 @@ describe('QuestionSetEditorUIService', () => {
 
     const actualQuestionSet = interactor.getSavedQuestionSet()
     expect(actualQuestionSet.questions[0].mc.correctChoiceIndex).toBe(1)
-  })
-
-  it('should uncheck other previously checked correct answer after checking another answer', () => {
-    const interactor = new UIServiceInteractor({})
-
-    interactor
-      .setQuestionNumberFocus(1)
-      .inputQuestionDescription({ description: '1 + 1 = ?' })
-      .inputAnswer({ choiceNumber: 1, answer: '0' })
-      .inputAnswer({ choiceNumber: 2, answer: '2' })
-
-    interactor
-      .clickCorrectAnswer({ choiceNumber: 1 })
-      .clickCorrectAnswer({ choiceNumber: 2 })
 
+    // also check that the UI is updated correctly
     interactor.expectCorrectAnswerChecked({ choiceNumber: 2 })
     interactor.expectCorrectAnswerUnchecked({ choiceNumber: 1 })
+    interactor.expectCorrectAnswerUnchecked({ choiceNumber: 3 })
   })
 })