RDB Shredder: run the unit tests systematically in Travis (closes #3229)
RDB Shredder: run the unit tests systematically in Travis (closes #3229)

haensel-ams/snowplow,haensel-ams/snowplow,haensel-ams/snowplow,haensel-ams/snowplow,haensel-ams/snowplow,haensel-ams/snowplow