SROnosFailure at 15 May 2020 21:28:05

<img src="https://jenkins.onosproject.org/view/QA/job/postjob-Fabric3/lastSuccessfulBuild/artifact/SROnosFailure_onos-2.2_20-builds_graph.jpg", alt="SROnosFailure", style="width:525px;height:350px;border:0">
commit 5908b5642a41e5755adcf7ec10f3d4f2c0ea2657 (HEAD -] onos-2.2, origin/onos-2.2)
Author: Andrea Campanella [andrea@opennetworking.org]
AuthorDate: Wed May 6 16:09:10 2020 +0200
Commit: Andrea Campanella [andrea@opennetworking.org]
CommitDate: Fri May 15 17:00:00 2020 +0000

[VOL-3016] OLTPipeline removes empty next group if the last group was removed because of empty buckets

Case 1: ONOS Failure test with 2x2 Leaf-spine - FAIL

Case 2: ONOS Failure test with 4x4 Leaf-spine - FAIL

Case 3: ONOS Failure test with single switch - FAIL