improve dyndb test resilience

- no longer grep for specific line numbers when checking
  parameter logging, as those can change
- report the failure immediatey if parameter check fails
10 jobs for 95-fix-dyndb in 8 minutes and 32 seconds (queued for 3 seconds)
Status Job ID Name Coverage
  Build
canceled #2166
docker linux
build:debian:buster:i386

00:08:31

canceled #2163
docker linux
build:debian:jessie:amd64

00:08:32

canceled #2164
docker linux
build:debian:jessie:i386

00:08:31

canceled #2167
docker linux
build:debian:sid:amd64

00:08:31

canceled #2168
docker linux
build:debian:sid:i386

00:08:30

canceled #2165
docker linux
build:debian:stretch:amd64

00:08:31

canceled #2169
docker linux
build:ubuntu:trusty:amd64

00:08:30

canceled #2170
docker linux
build:ubuntu:xenial:i386

00:08:30

 
  Test
canceled #2171
linux docker
test:debian:sid:amd64

canceled #2172
linux docker
test:debian:sid:i386