ExpandFirstField

Element	Missed Instructions	Cov.	Missed Branches	Cov.	Missed	Cxty	Missed	Lines	Missed	Methods
Total	0 of 35	100%	0 of 2	100%	0	3	0	8	0	2
flatMap(Tuple2, Collector)		100%		100%	0	2	0	6	0	1
ExpandFirstField()		100%		n/a	0	1	0	2	0	1