[snmp] Add test cases for SONiC physical entity MIB feature#2379

Merged

qiluo-msft merged 14 commits intosonic-net:masterfrom

Junchao-Mellanox:phy-mibs-snmp

Dec 2, 2020

Commits on Oct 20, 2020

Commits on Oct 26, 2020

Commits on Nov 18, 2020

Merge remote-tracking branch 'upstream/master' into phy-mibs-snmp
Junchao-Mellanox
committed

Commits on Nov 19, 2020

Skip fan snmp test if no fan information in DB
Junchao-Mellanox
committed

Commits on Nov 20, 2020

Skip test case if related information is not in DB
Junchao-Mellanox
committed
Skip test_turn_off_psu_and_check_psu_info test when psu_controller return None (for VS image)
Junchao-Mellanox
committed

Commits on Dec 1, 2020