Azure mastervirt job does not set AZURE_AUTH

[dry923]

The azure mastervertical job fails with the below error due to lack of azure_auth and azure_auth_location being set/configured. For additional details please see https://openshift-qe-jenkins.rhev-ci-vms.eng.rdu2.redhat.com/job/ATS-SCALE-CI-MASTERVERTICAL/8/console

2020-03-13T09:38:30.238400751Z error: environment variable AZURE_AUTH_LOCATION is not set
2020-03-13T09:38:30.241787569Z 2020-03-13T09:38:30Z - INFO     - MainProcess - trigger_cluster_loader: completed sample 1 , results in /tmp/1/cl_output.txt
2020-03-13T09:38:30.243066276Z Traceback (most recent call last):
2020-03-13T09:38:30.243066276Z   File "/tmp/snafu/run_snafu.py", line 137, in <module>
2020-03-13T09:38:30.243066276Z     sys.exit(main())
2020-03-13T09:38:30.243066276Z   File "/tmp/snafu/run_snafu.py", line 102, in main
2020-03-13T09:38:30.243066276Z     for i in process_generator(index_args, parser):
2020-03-13T09:38:30.243066276Z   File "/tmp/snafu/run_snafu.py", line 119, in process_generator
2020-03-13T09:38:30.243066276Z     for action, index in data_object.emit_actions():
2020-03-13T09:38:30.243066276Z   File "/tmp/snafu/cluster_loader/trigger_cluster_loader.py", line 56, in emit_actions
2020-03-13T09:38:30.243066276Z     cl_output_json = list(filter(pattern.match, output_file_content))[0].strip()
2020-03-13T09:38:30.243066276Z IndexError: list index out of range