test: add test that build run downloads what it should #759

Job	Run time
//sram:top_mix_grt	3m 5s
tag_array_64x184_generate_abstract	3m 38s
tag_array_64x184_report	2m 8s
Lint Bazel files	6s
Generate configs	9s
lb_32x128_generate_abstract	3m 47s
lb_32x128_test_generate_abstract	2m 12s
L1MetadataArray_generate_abstract	4m 56s
open //sram:top_mix	4m 33s
data_2048x8_generate_abstract	2m 11s
Local flow - clean setup	1m 46s
regfile_128x65_floorplan	2m 5s
open tag_array_64x184	4m 39s
subpackage:L1MetadataArray_generate_abstract	4m 58s
open L1MetadataArray	7m 25s
subpackage:tag_array_64x184_generate_abstract	2m 3s
open subpackage:L1MetadataArray	5m 54s
open subpackage:tag_array_64x184	3m 57s
Local flow - preinstalled orfs	1m 48s
	1h 1m 20s

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