all files common/core/grouping/

94.52% Statements 69/73

87.5% Branches 35/40

86.96% Functions 20/23

95.08% Lines 58/61

File		Statements		Branches		Functions		Lines
grouping.service.ts		93.85%	61/65	87.5%	35/40	90.48%	19/21	94.64%	53/56
index.ts		100%	8/8	100%	0/0	50%	1/2	100%	5/5