Merge branch 'add_tests' into 'master'

add tests

See merge request !15
4 jobs for master in 3 minutes and 17 seconds (queued for 1 second)
Status Job ID Name Coverage
  Install
passed #281838
install_py36

00:00:20

 
  Test
passed #281839
test_py36

00:01:12

23.0%
 
  Deploy
passed #281840
deploy_zenodo

00:00:52

 
  Test Container
passed #281841
test_deploy_from_container

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