[META] Adding E2E tests

[Maymanaf]

Description and goal

Some functionalities are not tested with e2e-tests, we have to complete our battery of tests

Configuration

• Add Webkit ( Safari !)

Acceptance criteria

Tests to write:

• Rolling stock editor
  • refacto creation front: refacto e2e tests creating and modifying a rolling stock #7763
  • update front: refacto e2e tests creating and modifying a rolling stock #7763
  • delete front: add e2e tests deleting a rolling stock #7774
  • Filtering and searching front : front: add e2e test filtering and searching for a rolling stock #7826
• Operational studies
  • Rolling stock front: add e2e tests operational studies - rolling stock selector #7911
  • RS +Route front: add e2e tests operational studies - route #7912
  • Times & stops
  • Simulation Settings
  • Full operation : RS+ Route + Times & stops + Simulation Settings
• Import of trains ( infra et train de test)
  • Simulation Results (The visibilty of each element) front: add e2e tests import des trains  #8040
  • Filtering front: add e2e tests import des trains  #8040
  • Verify the data of each train (RS + Route + Times & stops + Simulation Settings)
• Simulation Results
  • GEV
  • Output Table
  • Space Curves Slopes
  • Driver train schedule
  • Carto
• Timetable management
  • Delete train
  • Duplicate train
  • Multiple selection
  • Searching