Jest fix

Author: Liza K

src/plugins/data/public/search/legacy/types.ts

@@ -31,7 +31,7 @@ export interface SearchStrategyProvider {
   search: (params: SearchStrategySearchParams) => SearchStrategyResponse;
 }
 
-export interface SearchStrategyResponse {
-  searching: Promise<Array<SearchResponse<any>>>;
+export interface SearchStrategyResponse<T = any> {
+  searching: Promise<Array<SearchResponse<T>>>;
   abort: () => void;
 }

src/plugins/data/public/search/search_source/search_source.ts

@@ -408,7 +408,7 @@ export class SearchSource {
     const searchRequest = this.mergeProps();
 
     searchRequest.body = searchRequest.body || {};
-    const { body, index, fields = [], query = [], filters = [], highlightAll } = searchRequest;
+    const { body, index, fields, query, filters, highlightAll } = searchRequest;
     searchRequest.indexType = this.getIndexType(index);
 
     const computedFields = index ? index.getComputedFields() : {};