Ultralow warmstart/restart tests do not properly test V2 file type #2917
Description
Description
There are 4 ultralow-resolutions currently exercised in the RTs: C48-5deg, C24-5deg, C24-9deg and C12-9deg. All use a 900km unstructured wave grid.
For each configuration, there is a control (coldstart) test, a warmstart test and a restart-from-warmstart test. The warmstart tests use staged input data, created from the 1-day run of the control test.
For the C24 and C12 configurations, the control ATM ICs are surface file type V2.
Because of #2827, the restart files which are staged and used for the warmstart/restart tests do not include the V2 attribute. This means that the restart tests are not properly testing for this feature.
To Reproduce:
Check the staged input-data for the warmstart tests for the ultralow C24 and C12 configurations. They do not contain the global attribute :file_version = "V2" but the control ICs do.