fix branch on sandag external test #1004

Job	Run time
linux-64-py	5m 47s
macOS	4m 55s
Standard 1-Zone Example (MTC)	1m 14s
random_seed_generation_test	3m 25s
Standard 2-Zone Example (SANDAG)	6h 0m 17s
placeholder_psrc	47m 38s
win-64	9m 7s
prototype_marin	1m 49s
prototype_mtc	52m 33s
prototype_mtc_extended	1h 21m 48s
placeholder_sandag	2h 35m 26s
prototype_mwcog	51m 27s
Estimation Mode Unit Tests	8m 51s
prototype_sandag_xborder	6m 1s
production_semcog	6m 48s
placeholder_multiple_zone	11m 21s
develop-docbuild	0s
Expression Profiling Tests	8m 22s
	13h 36m 49s

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