fix several small bugs

Signed-off-by: Sebastian Schüpbach <sebastian.schuepbach@unibas.ch>
3 jobs for master in 4 minutes and 5 seconds
Status Job ID Name Coverage
  Test
passed #56248
mbr
test

00:01:55

passed #56249
mbr
test-chart

00:00:11

 
  Publish
passed #56250
mbr
build-latest-image

00:02:10