Ajout diagram de gantt

src/app/milestones/milestones-api.service.spec.ts

@@ -10,6 +10,8 @@ const makeMilestone = (overrides: Partial<MilestoneEntity> = {}): MilestoneEntit
   id: 1,
   name: 'Sprint 1',
   description: '',
+  startDate: '',
+  endDate: '',
   dueDate: '',
   issueIds: [],
   ...overrides,
@@ -43,7 +45,7 @@ describe('MilestonesApiService', () => {
 
   describe('create', () => {
     it('sends POST /api/milestones with the body and returns the created milestone', () => {
-      const body = { name: 'Sprint 2', description: '', dueDate: '', issueIds: [] };
+      const body = { name: 'Sprint 2', description: '', startDate: '', endDate: '', dueDate: '', issueIds: [] };
       const response = makeMilestone({ id: 2, name: 'Sprint 2' });
       let result: MilestoneEntity | undefined;
       service.create(body).subscribe((data) => (result = data));