Tests/UnitSystemTests: Fix test after changing newton meter abbreviation
Tests/UnitSystemTests: Fix test after changing newton meter abbreviation

maherkassim/UnitsNet,neutmute/UnitsNet,maherkassim/UnitsNet,Tirael/UnitsNet,anjdreas/UnitsNet,BoGrevyDynatest/UnitsNet,BrandonLWhite/UnitsNet,anjdreas/UnitsNet,BrandonLWhite/UnitsNet