Repair CDAP estimation #1101

Job	Run time
linux-64-py	6m 35s
win-64	11m 52s
Standard 1-Zone Example (MTC)	53m 4s
Estimation Mode Unit Tests	25m 8s
macOS	10m 51s
Estimation Notebooks Test	49m 25s
Expression Profiling Tests	7m 42s
Standard 2-Zone Example (SANDAG)	1h 34m 47s
estimation_edb_creation_test	6m 35s
placeholder_psrc	55m 34s
prototype_mwcog	58m 27s
prototype_mtc_extended	1h 27m 23s
production_semcog	7m 7s
prototype_marin	1m 49s
prototype_mtc	54m 28s
random_seed_generation_test	3m 26s
placeholder_multiple_zone	10m 49s
prototype_sandag_xborder	5m 59s
develop-docbuild	0s
	9h 11m 1s

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