Fixing test case, adding default xml config and enable sub_node
in ip_perms.
moving test_integration from flaky to non-flaky test suite.

Change-Id: I86c7284485d39e90450d34c1e57622c2f521546e
Merge "Fixing test case, adding default xml config and enable sub_node in ip_perms. moving test_integration from flaky to non-flaky test suite."