Test RWX enabled persistent volumes

Summary

We need to validate in CI that RWX persistent volume works fine in Sylva.

Objective of this issues is to create a common test to cover all supported CSI providers.

Below various parameters will be configurable from the unit configuration, including:

  • storageClass
  • pvcSize
  • accessModes

Details

cc @satyawanj @matrohon @Electrogur @marc.bailly1

Edited by Mohan Sharma