Add unit tests on all hydrological metrics retrieval
The retrievals of the time series of all metrics
using the get_ts_hydro()
function need to be test.
metric_i <- c("Q", "Qln", "QmnH", "H", "Hln")
metric_d <- c("QmnJ", "QIXnJ", "QINnJ", "HIXnJ", "HINnJ")
metric_m <- c("QmM", "QIXM", "QINM")