Fix hi l1a tests broken by upgrade to cdflib 1.3.9#3008

tmplummer merged 1 commit intoIMAP-Science-Operations-Center:devIMAP-Science-Operations-Center/imap_processing:devfrom

tmplummer:3006-bug---write_cdf-incorrectly-coded-for-xarray_to_cdf-istp-defaulttmplummer/imap_processing:3006-bug---write_cdf-incorrectly-coded-for-xarray_to_cdf-istp-defaultCopy head branch name to clipboard