Example Database
 [ ] Model find all
 [ ] Soft delete leaves row

Example Session
 [x] Session simple

Gantt Critical Path Service
 [x] Finish to start makes a sequential chain critical
 [x] Start to start allows shorter successor slack
 [x] Finish to finish aligns both task finishes
 [x] Start to finish does not behave like finish to start
 [x] Slack uses working time across a weekend

Health
 [x] Is defined app path
 [x] Base url has been set

Work Calendar Service
 [x] Adding work across weekend preserves working duration
 [x] Observed holiday replaces official date
 [x] Working override can open a weekend
 [x] Non working exception takes priority over weekday