CMake

test cases for column sketches #1146

Job	Run time
full-build (ubuntu-latest, "-DL0_SAMPLING")	9m 33s
full-build (ubuntu-latest, "-DNO_EAGER_DSU")	6m 33s
full-build (ubuntu-latest, "")	6m 33s
full-build (ubuntu-20.04, "-DL0_SAMPLING")	1s
full-build (ubuntu-20.04, "")	2s
full-build (ubuntu-20.04, "-DNO_EAGER_DSU")	1s
	22m 43s

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