fixed eslint & karma specs

app/assets/javascripts/ide/components/file_finder/item.vue

 <script>
-import { escape } from 'underscore';
 import fuzzaldrinPlus from 'fuzzaldrin-plus';
 import FileIcon from '../../../vue_shared/components/file_icon.vue';
 import ChangedFileIcon from '../changed_file_icon.vue';
@@ -31,7 +30,7 @@ export default {
   },
   computed: {
     pathWithEllipsis() {
-      return this.file.path.length < MAX_PATH_LENGTH || !addEllipsis
+      return this.file.path.length < MAX_PATH_LENGTH
         ? this.file.path
         : `...${this.file.path.substr(this.file.path.length - MAX_PATH_LENGTH)}`;
     },

spec/javascripts/ide/components/file_finder/item_spec.js

@@ -19,6 +19,7 @@ describe('IDE File finder item spec', () => {
       file: localFile,
       focused: true,
       searchText: '',
+      index: 0,
     });
   });