staging_test_acme_dns_tiny: tearDown should not try to parse cname_csr as a config file

11 jobs for !21 with improve-gitlab-ci in 22 minutes and 19 seconds (queued for 1 second)
detached
Status Job ID Name Coverage
  Build
passed #668
buster-slim

00:00:51

passed #666
jessie-slim

00:00:41

passed #667
stretch-slim

00:00:41

 
  Check
passed #669
compile

00:00:46

passed #670
lint

00:01:02

 
  Unit Test
passed #673
buster-ut

00:00:54

passed #671
jessie-ut

00:00:42

passed #672
stretch-ut

00:00:39

 
  Lets Encrypt Staging
passed #676
buster-le-staging

00:05:18

passed #674
jessie-le-staging

00:05:19

passed #675
stretch-le-staging

00:05:21