test data fails due to non-overlapping reads

[jnvaughn]

running on Mac OSX

$ svteaser surv_sim chrM.fa .
2020-10-13 09:29:16,481 [INFO] Running /usr/local/bin/svteaser surv_sim chrM.fa .
2020-10-13 09:29:16,503 [CRITICAL] Unable to generate 10 non-overlapping regions. Reference too short?
2020-10-13 09:29:16,503 [ERROR] Exiting

reducing to 1 sequence solved:
$ svteaser surv_sim --num_sv_regions 1 chrM.fa shorter2
2020-10-13 09:37:22,292 [INFO] Running /usr/local/bin/svteaser surv_sim --num_sv_regions 1 chrM.fa shorter2
2020-10-13 09:37:22,414 [INFO] Finished

was able to eventually get 2 regions by random chance

probably need to include longer test seq in distro