raise coverage for tasks api calls (#10029)

* - updates a group task - approval is required
- updates a group task with checklist

* add expect to test the new checklist length

* - moves tasks to a specified position out of length

* remove unused line

* website getter tasks tests

* re-add sanitizeUserChallengeTask

* change config.json.example variable to be a string not a boolean

* fix tests - pick the text / up/down props too

* fix test - remove changes on text/up/down - revert sanitize condition - revert sanitization props

test/api/unit/libs/taskManager.js

@@ -178,4 +178,12 @@ describe('taskManager', () => {
 
     expect(order).to.eql(['task-id-2', 'task-id-1']);
   });
+
+  it('moves tasks to a specified position out of length', async () => {
+    let order = ['task-id-1'];
+
+    moveTask(order, 'task-id-2', 2);
+
+    expect(order).to.eql(['task-id-1', 'task-id-2']);
+  });
 });