AssociationRecordMapping.new ComposedIdMapping() {...}

Element	Missed Instructions	Cov.	Missed Branches	Cov.	Missed	Cxty	Missed	Lines	Missed	Methods
Total	1 of 13	92 %	1 of 2	50 %	1	3	0	2	0	2
isNew(AssociationRecord)		85 %		50 %	1	2	0	1	0	1
{...}		100 %		n/a	0	1	0	1	0	1