[OSCI] [FIX] time conversion unit test bug (#5174)

* fix time conversion test bug
* Fix wrong test case

---------

Signed-off-by: Thanh <lechithanh2003@gmail.com>
Signed-off-by: Anan Zhuang <ananzh@amazon.com>
Signed-off-by: Miki <miki@amazon.com>
Co-authored-by: Anan Zhuang <ananzh@amazon.com>
Co-authored-by: Miki <miki@amazon.com>
Co-authored-by: Sean Neumann <1413295+seanneumann@users.noreply.github.com>

CHANGELOG.md

@@ -63,9 +63,9 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 - Fix errors in conditions for activating `vizAugmenter` ([#5213](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/5213))
 - [Data Explorer][Discover] Automatically load solo added default index pattern ([#5171](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/5171))
 - [Data Explorer][Discover] Allow data grid to auto adjust size based on fetched data count ([#5191](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/5191))
+- [BUG] Fix wrong test due to time conversion ([#5174](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/5174))
 - [BUG][Data Explorer][Discover] Allow filter and query persist when refresh page or paste url to a new tab ([#5206](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/5206))
 
-
 ### 🚞 Infrastructure
 
 - Re-enable CI workflows for feature branches ([#2908](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/2908))

src/plugins/discover/public/application/components/chart/utils/point_series.test.ts

@@ -51,8 +51,8 @@ describe('buildPointSeriesData', () => {
     expect(result.ordered.interval.asHours()).toBe(1);
     expect(result.ordered.intervalOpenSearchUnit).toBe('h');
     expect(result.ordered.intervalOpenSearchValue).toBe(1);
-    expect(result.ordered.min.format()).toBe('2023-01-01T00:00:00+00:00');
-    expect(result.ordered.max.format()).toBe('2023-01-02T00:00:00+00:00');
+    expect(result.ordered.min.format()).toBe(moment('2023-01-01T00:00:00+00:00').format());
+    expect(result.ordered.max.format()).toBe(moment('2023-01-02T00:00:00+00:00').format());
     expect(result.yAxisLabel).toEqual('Y Axis');
     expect(result.values).toEqual([
       { x: 10, y: 100 },