Test yaml fixes for n3048:
* 3048 does not support bidir option
* 3048 cannot remove rp-address if prefix-list/route-map is present
* yes: no ip pim rp-address x.x.x.x
* no: no ip pim rp-address x.x.x.x prefix-list foo
* no: no ip pim rp-address x.x.x.x route-map bar
This test now passes on N9k/N7k/N6k/N3k.
* Add setup ignore_errors for nxos_config test
* Fix parse_fan_info for n3k
* Skip bidir tests for N3k
* Omit vni config for n3k
* Skip unsupported nxos_vrf_af test on N3K
* Add legacy N3K platform tag
* fix nxos_l3_interface tests as n35 doesn't support ipv6
* add terminal dont-ask to nxos_feature and nxos_lldp
* put interfaces in L2 mode for N35
* fix nxos_feature unit-tests
* Warn on tests used as filters
* Update docs, add aliases for tests that fit more gramatically with test syntax
* Fix rst formatting
* Add successful filter, alias of success
* Remove renamed_deprecation, it was overkill
* Make directory alias for is_dir
* Update tests to use proper jinja test syntax
* Update additional documentation, living outside of YAML files, to reflect proper jinja test syntax
* Add conversion script, porting guide updates, and changelog updates
* Update newly added uses of tests as filters
* No underscore variable
* Convert recent tests as filter changes to win_stat
* Fix some changes related to rebasing a few integration tests
* Make tests_as_filters_warning explicitly accept the name of the test, instead of inferring the name
* Add test for tests_as_filters_warning
* Update tests as filters in newly added/modified tests
* Address recent changes to several integration tests
* Address recent changes in cs_vpc
* add static route and hsrp it cases
* add snmp_user and snapshot it
* password strength correction
* fix typo
* add compare snapshot as it is fixed in the code now
* skip snapshot tests for titanium
* titanium and nxapi conditions added
* Add new ITs for nxos_bgp, nxos_bgp_af, nxos_bgp_neighbor, and nxos_evpn_global
* Add nxos_facts IT and enhance existing tests
* switch nxos_feature tests to use bgp
* misc. test fixes
* Add checks for titanium in IT
* Handle non-titanium case in tests