MergeTopNs

Element	Missed Instructions	Cov.	Missed Branches	Cov.	Missed	Cxty	Missed	Lines	Missed	Methods
Total	20 of 110	81%	3 of 8	62%	3	7	3	24	0	3
lambda$build$0(LogicalTopN)		79%		62%	3	5	3	20	0	1
build()		100%		n/a	0	1	0	3	0	1
MergeTopNs()		100%		n/a	0	1	0	1	0	1