This test was added in [0] and it causes a lot of failures, since
setting the network quota to 1 will result in quota errors for any other
test that is trying to create a network in parallel. We can only run
this test in a serial tempest task that would need to be created for
such a scenario.
Related-Story: 2010110
Change-Id: I6015c181ecabff26bdb1b0c11b0e33ad39e6f083