Add test for LongMuon tracks in PrKF
Include a new test to fit LongMuon tracks with PrKalmanFilterTool using a signal Bs2JpsiPhi signal sample as input.
Goes with Rec!3036 (merged) Allen!940 (merged) LHCb!3692 (merged) Alignment!313 (merged)
Edited by Paula Herrero Gascon