Add checking for a correct positions assignment in Trajectory.

4 jobs for master in 10 minutes and 38 seconds (queued for 1 second)
Status Job ID Name Coverage
  Test
passed #440928
test spec2
testing

00:10:38

canceled #440899
test spec2
testing

00:07:51

failed #440919
test spec2
testing

00:08:47

failed #440902
test spec2
testing

00:10:56