Add 100ms sleep to etap:end_tests() to prevent hanging
Add 100ms sleep to etap:end_tests() to prevent hanging

It's not clear if this is etap, escript, prove, or couchdb.
This needs further investigation.

Jira-1424

fkaempfer/couchdb,fkaempfer/couchdb,fkaempfer/couchdb,fkaempfer/couchdb,fkaempfer/couchdb,fkaempfer/couchdb