fix bgp_override_as_path_split_horizon_test for routing-instance and …

[ram-mac]

Fixed the following
1.default routing-instance issue
2.routing-policy issue
3.afi-safi unicast family config

[OpenConfigBot]

Pull Request Functional Test Report for #3595 / 2bf197f

Virtual Devices

Device	Test	Test Documentation	Job	Raw Log
Arista cEOS		RT-1.54: BGP Override AS-path split-horizon	02b45b3b	Log
Cisco 8000E		RT-1.54: BGP Override AS-path split-horizon	1818b5ca	Log
Cisco XRd		RT-1.54: BGP Override AS-path split-horizon	340b9eb4	Log
Juniper ncPTX		RT-1.54: BGP Override AS-path split-horizon	d7f6c9c7	Log
Nokia SR Linux		RT-1.54: BGP Override AS-path split-horizon	7db51bcd	Log
Openconfig Lemming		RT-1.54: BGP Override AS-path split-horizon	755a86cf	Log

Hardware Devices

Device	Test	Test Documentation	Raw Log
Arista 7808		RT-1.54: BGP Override AS-path split-horizon
Cisco 8808		RT-1.54: BGP Override AS-path split-horizon
Juniper PTX10008		RT-1.54: BGP Override AS-path split-horizon
Nokia 7250 IXR-10e		RT-1.54: BGP Override AS-path split-horizon

Help

[coveralls]

Pull Request Test Coverage Report for Build 11857609672

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 55.268%

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Totals
Change from base Build 11856299750:	0.0%
Covered Lines:	1983
Relevant Lines:	3588

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💛 - Coveralls

[Swetha-haridasula]

lgtm

[ram-mac]

Addressed all the changes requested