Blacklist Quotas.nova_update_and_delete test
Blacklist Quotas.nova_update_and_delete test

Excluded since the test occasionally fails due to race condition issue
on quota manipulation in nova [1].

[1] https://bugs.launchpad.net/nova/+bug/1552622

Change-Id: Ib979c1e371727aa3adea9dc0b5955e7ed24881cf
Signed-off-by: Juha Kosonen <94255fd479c5317341a6425285a6b7edd2eaae50@nokia.com>

mywulin/functest,mywulin/functest,opnfv/functest,opnfv/functest