test: call Grouper directly

Author: ilandikov

tests/TaskGroups.test.ts

@@ -3,7 +3,7 @@
  */
 import moment from 'moment';
 import { FilenameField } from '../src/Query/Filter/FilenameField';
-import { Grouper, type GrouperFunction } from '../src/Query/Grouper';
+import type { Grouper } from '../src/Query/Grouper';
 import type { Task } from '../src/Task';
 import { PathField } from '../src/Query/Filter/PathField';
 import { TagsField } from '../src/Query/Filter/TagsField';
@@ -251,8 +251,7 @@ describe('Grouping tasks', () => {
         });
         const inputs = [a, b];
 
-        const groupByTags: GrouperFunction = (task: Task) => task.tags;
-        const grouper = new Grouper('custom tag grouper', groupByTags, false);
+        const grouper = new TagsField().createNormalGrouper();
         const groups = new TaskGroups([grouper], inputs);
 
         expect(groups.totalTasksCount()).toEqual(2);
@@ -264,15 +263,16 @@ describe('Grouping tasks', () => {
 
         expect(groups.toString()).toMatchInlineSnapshot(`
             "Groupers (if any):
-            - custom tag grouper
+            - tags
 
-            Group names: []
+            Group names: [(No tags)]
+            #### [tags] (No tags)
             - [ ] Task without a tag
 
             ---
 
             Group names: [#group1]
-            #### [custom tag grouper] #group1
+            #### [tags] #group1
             - [ ] Task with a tag #group1
 
             ---