add some fixtures #857

Job	Run time
list-branches	9s
Build for iterator-chunking-stage-2-7	6s
Build for data-view-clamped-stage-2	38s
Build for proposals-types	5s
Build for master	5s
Build for v3.45-docs	6s
Build for web	5s
Build for v4	29s
Build for v3	11s
combine-pages-and-deploy	18s
	2m 12s

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