[issue-224] Fix unwanted logging in system test (#225)
[issue-224] Fix unwanted logging in system test (#225)

* Fixes log4j configurations of test module to suppress unwanted logging

Signed-off-by: Vijay Srinivasaraghavan <106eb5b2b1c0037d45353dab7675e8e8e6c5442b@emc.com>
pravega/flink-connectors,pravega/flink-connectors