Test suite creates a configuration that does not launch

[p-mongo]

Related to #272 , it appears the test suite produced the following configuration:

verbose=v
replSet=f25549da-c3f5-4713-9335-3aee3012d2bd
sslClusterFile=/home/w/apps/exp/mongo-orchestration/tests/lib/cluster_cert.pem
nojournal=true
sslAllowInvalidCertificates=true
sslMode=requireSSL
oplogSize=100
configsvr=true
port=1027
dbpath=/tmp/mongo-A_fAH5
networkMessageCompressors=zlib,snappy,noop
logappend=true
logpath=/tmp/mongo-A_fAH5/mongod.log
setParameter = enableTestCommands=1
sslCAFile=/home/w/apps/exp/mongo-orchestration/tests/lib/ca.pem
sslPEMKeyFile=/home/w/apps/exp/mongo-orchestration/tests/lib/server.pem%                      

This configuration fails to launch on 3.6.9 and 4.3.0 servers as follows:

2019-06-10T20:48:14.799-0400 F  CONTROL  [main] Failed global initialization: BadValue: nojournal is not allowed when configsvr is specified