test: add test that build run downloads what it should #787

Job	Run time
Lint Bazel files	5s
//sram:top_mix_grt	3m 24s
tag_array_64x184_generate_abstract	3m 49s
Generate configs	9s
tag_array_64x184_report	2m 26s
lb_32x128_generate_abstract	3m 44s
lb_32x128_test_generate_abstract	2m 17s
open //sram:top_mix	16m 36s
Local flow - clean setup	4m 23s
L1MetadataArray_generate_abstract	5m 11s
open tag_array_64x184	8m 24s
data_2048x8_generate_abstract	2m 22s
regfile_128x65_floorplan	2m 18s
open L1MetadataArray	5m 53s
subpackage:L1MetadataArray_generate_abstract	5m 13s
open subpackage:L1MetadataArray	6m 9s
subpackage:tag_array_64x184_generate_abstract	2m 14s
open subpackage:tag_array_64x184	4m 7s
Local flow - preinstalled orfs	4m 35s
	1h 23m 19s

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