Add tests for imaginizer

10 jobs for imag_operator in 1 minute and 30 seconds (queued for 3 seconds)
Status Job ID Name Coverage
  Build Docker
passed #1081703
build_docker_from_cache

00:00:17

 
  Test
passed #1081705
test_mpi

00:00:32

canceled #1081704
test_serial

00:01:12

 
  Demo Runs
canceled #1081711
run_bernoulli

canceled #1081712
run_curve_fitting

canceled #1081707
run_getting_started_1

canceled #1081708
run_getting_started_2

canceled #1081709
run_getting_started_3

canceled #1081710
run_getting_started_mf

canceled #1081706
run_ipynb