Add plot tests to test suite

10 jobs for operator_spectra in 9 minutes and 19 seconds (queued for 2 seconds)
Status Name Job ID Coverage
  Build Docker
passed build_docker_from_cache #899659

00:00:18

 
  Test
passed test_mpi #899661

00:04:38

passed test_serial #899660

00:05:28

81.0%
 
  Demo Runs
passed run_bernoulli #899666

00:00:29

passed run_curve_fitting #899667

00:00:27

passed run_getting_started_1 #899663

00:00:40

passed run_getting_started_2 #899664

00:01:04

passed run_getting_started_3 #899665

00:03:31

passed run_ipynb #899662

00:01:24

passed run_plotting_test #899668

00:00:25