Test subset Operation

import os
os.environ['ROOK_URL'] = 'http://rook.dkrz.de/wps'

from rooki import rooki

resp = rooki.subset(
    collection='c3s-cmip6.CMIP.INM.INM-CM5-0.historical.r1i1p1f1.Amon.rlds.gr1.v20190610',
    time='1900-01-01/1900-12-30',
)
assert resp.ok

assert 'rlds_Amon_INM-CM5-0_historical_r1i1p1f1_gr1_19000116-19001216.nc' in resp.download_urls()[0]