Added conditional check for ptf32 and ptf64 topo in snmp.yml file

[rajneeshaec]

Description of PR

snmp.yml

• snmp lldp test case is failing with ptf32 topology
• ptf32 and ptf64 topology is not using the arista-veos VM's.That's why this test case is
  not valid for ptf32/64 topology.Test-case will fail For remote values check.
• sonic DUT is not returning any lldp data with Ptf32/64 topology
• Added condition to check the testbed_type != ptf32 and ptf64

Summary:
Fixes # (issue)

Type of change

• [-/] Bug fix
• [] Testbed and Framework(new/improvement)
• [] Test case(new/improvement)

Approach

How did you do it?

Added conditional check in roles/test/tasks/snmp.yml file

How did you verify/test it?

tested in local testbed

Any platform specific information?

N/A

Supported testbed topology if it's a new test case?

N/A

Documentation

N/A

[stcheng]

If you need to change the environment for a test case, please update the file: roles/test/vars/testcases.yml

[rajneeshaec]

If you need to change the environment for a test case, please update the file: roles/test/vars/testcases.yml

Task - name: include snmp lldp test is failing with ptf-32 and ptf-64 topologies
other snmp tasks present in snmp.yml playbook file is valid for both ptf-32 and ptf-64 topologies
I dont't know how to fix this issue using testcases.yml file
Could you please help me to fix this issue

[avi-milner]

If you need to change the environment for a test case, please update the file: roles/test/vars/testcases.yml

this is a specific

If you need to change the environment for a test case, please update the file: roles/test/vars/testcases.yml

the change is only for a specific test within the snmp,yml playbook that is not supporteed - can't be handle by roles/test/vars/testcases.yml but needs to be handled within playbook with a conditional include

[gord1306]

PR #1054 is also fixed the same issue

[lguohan]

deprecated as implementation is in pytest now.