Tests

Fix error in ECNF when rank not known #3507

Job	Run time
Initial setup	2s
devmirror lint	2m 18s
devmirror abvar/fq bianchi_modular_forms number_fields	5m 27s
devmirror galois_groups siegel_modular_forms	4m 56s
devmirror elliptic_curves hecke_algebras tests	2m 7s
devmirror hilbert_modular_forms sato_tate_groups tests	3m 37s
devmirror api characters cluster_pictures ecnf local_fields	3m 8s
devmirror belyi higher_genus_w_automorphisms hypergm lattice maass_forms tests users	1m 33s
devmirror artin_representations genus2_curves	4m 16s
devmirror classical_modular_forms	6m 9s
devmirror lfunctions	2m 13s
devmirror groups/abstract	4m 26s
devmirror modular_curves	3m 36s
	43m 48s

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