Test id is too large for IFS (limited to 4 chars)
See https://software.ecmwf.int/wiki/download/attachments/36537681/technical.pdf
"an experiment identifier (xxid) consisting of any 4 alphanumeric characters is used."
See https://software.ecmwf.int/wiki/download/attachments/36537681/technical.pdf
"an experiment identifier (xxid) consisting of any 4 alphanumeric characters is used."