This test cases was removed during ec2 removal, just remove it
from tests-py3.txt.
Partially-Implements: blueprint goal-python35
Change-Id: I2de52025b517dcd75c60c3f77c4eafbbfd21c52c
nova.tests.unit.compute.test_compute_mgr.ComputeManagerUnitTestCase.test_run_pending_deletes
nova.tests.unit.compute.test_host_api.ComputeHostAPICellsTestCase
nova.tests.unit.network.test_manager.LdapDNSTestCase
-nova.tests.unit.test_bdm.BlockDeviceMappingEc2CloudTestCase
nova.tests.unit.test_matchers.TestDictMatches.test__str__
nova.tests.unit.test_wsgi.TestWSGIServerWithSSL
nova.tests.unit.virt.libvirt.storage.test_rbd.RbdTestCase