Master branch is broken because of the test failures.

Master branch build is failing because of the testcase failures

20:30:45 Failed tests:
20:30:45 MultipartRequestInputFactoryTest.testMakeMultipartRequestInput_AGGREGATE:114->checkEmptyBody:260 expected:<...questAggregateCase [[]augmentation=[]]> but was:<...questAggregateCase [[, ]augmentation=[]]>
20:30:45 MultipartRequestInputFactoryTest.testMakeMultipartRequestInput_DESC:61->checkEmptyBody:260 expected:<...artRequestDescCase [[]augmentation=[]]> but was:<...artRequestDescCase [[, ]augmentation=[]]>
20:30:45 MultipartRequestInputFactoryTest.testMakeMultipartRequestInput_EXPERIMENTER:247->checkEmptyBody:260 expected:<...stExperimenterCase [[]augmentation=[]]> but was:<...stExperimenterCase [[, ]augmentation=[]]>
20:30:45 MultipartRequestInputFactoryTest.testMakeMultipartRequestInput_GROUPDESC:172->checkEmptyBody:260 expected:<...questGroupDescCase [[]augmentation=[]]> but was:<...questGroupDescCase [[, ]augmentation=[]]>
20:30:45 MultipartRequestInputFactoryTest.testMakeMultipartRequestInput_GROUPFEATURES:181->checkEmptyBody:260 expected:<...tGroupFeaturesCase [[]augmentation=[]]> but was:<...tGroupFeaturesCase [[, ]augmentation=[]]>
20:30:45 MultipartRequestInputFactoryTest.testMakeMultipartRequestInput_METERFEATURES:216->checkEmptyBody:260 expected:<...tMeterFeaturesCase [[]augmentation=[]]> but was:<...tMeterFeaturesCase [[, ]augmentation=[]]>
20:30:45 MultipartRequestInputFactoryTest.testMakeMultipartRequestInput_PORTDESC:238->checkEmptyBody:260 expected:<...equestPortDescCase [[]augmentation=[]]> but was:<...equestPortDescCase [[, ]augmentation=[]]>
20:30:45 MultipartRequestInputFactoryTest.testMakeMultipartRequestInput_TABLE:123->checkEmptyBody:260 expected:<...rtRequestTableCase [[]augmentation=[]]> but was:<...rtRequestTableCase [[, ]augmentation=[]]>
20:30:45
20:30:45

I believe these test failure started failing because of the merge of following patch in mdsal.

https://git.opendaylight.org/gerrit/#/c/51612/