CI: add test for CI along existing test for EDNS

3 jobs for tcpscanner in 57 seconds (queued for 3 seconds)
Status Job ID Name Coverage
  Test
passed #264092
docker
lint

00:00:24

failed #264093
docker
testedns

00:00:57

passed #264094
docker
testtcp

00:00:54

 
Name Stage Failure
failed
testedns Test
+ ednsevalzone.py
2019-05-11 05:03:03,204 loading TCP statistics for strict mode
Traceback (most recent call last):
File "/builds/knot/edns-zone-scanner/ednsevalzone.py", line 212, in <module>
summary, results_strict, results_permissive = evaluate(*load())
File "/builds/knot/edns-zone-scanner/ednsevalzone.py", line 131, in load
with open('tcpstats_strict.pickle', 'rb') as ednsstats_bin:
FileNotFoundError: [Errno 2] No such file or directory: 'tcpstats_strict.pickle'
ERROR: Job failed: exit code 1