fixup! front: remove opTimingData from StdcmOpSchedule and simplify date management

Author: clarani

front/tests/utils/setup-utils.ts

@@ -1,3 +1,5 @@
+import dayjs from 'dayjs';
+
 import type {
   Infra,
   PostInfraRailjsonApiResponse,
@@ -137,6 +139,10 @@ export async function createStudy(projectId: number, studyName = globalStudyName
 
   return study;
 }
+
+const createDateInSpecialTimeZone = (dateString: string, timeZone: string) =>
+  dayjs.tz(dateString, timeZone);
+
 /**
  * Main function to create all necessary test data including infrastructure, rolling stocks,
  * project, study, and scenario.
@@ -177,8 +183,14 @@ export async function createDataForTests(): Promise<void> {
 
     const stdcmEnvironment = {
       infra_id: smallInfra.id,
-      search_window_begin: new Date('2024-10-17T00:00:01+02:00').toISOString(),
-      search_window_end: new Date('2024-10-18T23:59:59+02:00').toISOString(),
+      search_window_begin: createDateInSpecialTimeZone(
+        '2024-10-17T00:00:00',
+        'Europe/Paris'
+      ).toISOString(),
+      search_window_end: createDateInSpecialTimeZone(
+        '2024-10-18T23:59:59',
+        'Europe/Paris'
+      ).toISOString(),
       timetable_id: scenarioTrainSchedule.timetable_id,
     } as StdcmSearchEnvironment;