F200: entire record with constant value
QC::testData()
Path: /gpfs_750/projects/CMIP5/data/cmip5/output1/INM/inmcm4/esmrcp85/day/atmos/day/r1i1p1/v20110323/snc
File: snc_day_inmcm4_esmrcp85_r1i1p1_20860101-20951231.nc
rec#: 562, Variable: snc, Date: 2087-07-17T12:00:00