Test

refactor: change freq_norm from string to enum #712

Job	Run time
unit_tests	1m 27s
s3_singlepath (3.9)	1m 43s
s3_dates (3.9)	1m 41s
s3_singlepath (3.10)	1m 34s
s3_dates (3.10)	1m 40s
s0_download	1m 27s
s1_s2_mpi (3.10, linear, rma)	4m 14s
s1_s2 (3.9, linear, rma, asdf, false)	1m 19s
s1_s2 (3.9, robust, rma, asdf, false)	1m 19s
s1_s2 (3.9, nroot, rma, asdf, false)	1m 16s
s1_s2 (3.9, selective, rma, asdf, false)	1m 24s
s1_s2 (3.9, auto_covariance, rma, asdf, false)	1m 45s
s1_s2 (3.9, pws, rma, asdf, false)	1m 29s
s1_s2 (3.10, linear, rma, asdf, false)	1m 27s
s1_s2 (3.10, robust, rma, asdf, false)	1m 22s
s1_s2 (3.10, nroot, rma, asdf, false)	1m 17s
s1_s2 (3.10, selective, rma, asdf, false)	1m 13s
s1_s2 (3.10, auto_covariance, rma, asdf, false)	1m 20s
s1_s2 (3.10, pws, rma, asdf, false)	1m 26s
s1_s2 (linear, 3.10, no, zarr, true)	1m 43s
s1_s2 (all, 3.9, phase_only, numpy)	1m 15s
	33m 21s

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