tests/tracking/server: Use valid time in failing fix test case
tests/tracking/server: Use valid time in failing fix test case

RBE-Avionik/skylines,kerel-fs/skylines,shadowoneau/skylines,Turbo87/skylines,skylines-project/skylines,Turbo87/skylines,shadowoneau/skylines,RBE-Avionik/skylines,kerel-fs/skylines,Turbo87/skylines,Harry-R/skylines,RBE-Avionik/skylines,skylines-project/skylines,Harry-R/skylines,Turbo87/skylines,shadowoneau/skylines,skylines-project/skylines,shadowoneau/skylines,skylines-project/skylines,kerel-fs/skylines,Harry-R/skylines,RBE-Avionik/skylines,Harry-R/skylines