elective student - test code clean

src/views/elective/select/components/elective-enroll-info.vue

@@ -52,7 +52,7 @@ export default {
     },
     appliedModel() {
       let appliedModel = this.enrollStatus?.enrolledModel || this.generation.activeModel.prevModel
-      if (appliedModel.option.decisionMaking) appliedModel = appliedModel.prevModel
+      while (appliedModel.option.decisionMaking) appliedModel = appliedModel.prevModel
       return appliedModel
     },
     enableSelect() {

src/views/elective/select/components/elective-table.vue

@@ -31,7 +31,7 @@
       </template>
     </mx-table>
     <elective-preference-info :generation="generation"></elective-preference-info>
-    <elective-preference-batch :generation="generation" :disabled="!enableSelect"></elective-preference-batch>
+    <elective-preference-batch v-if="enableMultipleDrag" :generation="generation" :disabled="!enableSelect"></elective-preference-batch>
     <elective-preference-reject v-if="enableReject" :generation="generation"></elective-preference-reject>
     <elective-esign-dialog ref="esignDialog"></elective-esign-dialog>
     <choose-subject-dialog ref="chooseDialog"></choose-subject-dialog>
@@ -83,7 +83,6 @@ export default {
     ElectiveEnrollInfo,
     OverUnderBadge,
     SelectSubjectReportDialog,
-    ElectivePreferenceDrag,
     ChooseSubjectDialog
   },
   inject: {