While running test cases in virtual Switch testbed setup: i am getting an error saying port channel interfaces are down:

By default port channel interfaces should UP right?

Do i need to modify interfaces.yml file so that i can make these interfaces UP?

TASK [test : Verify interfaces are up correctly] *******************************
task path: /var/johnar/sonic-mgmt/ansible/roles/test/tasks/interface.yml:36
Friday 15 February 2019 11:28:44 +0000 (0:00:00.111) 0:00:12.289 *******
ok: [vlab-01] => {"changed": false, "invocation": {"module_args": {"that": "0 == 0"}, "module_name": "assert"}, "msg": "all assertions passed"}

TASK [test : Verify port channel interfaces are up correctly] ******************
task path: /var/johnar/sonic-mgmt/ansible/roles/test/tasks/interface.yml:45
Friday 15 February 2019 11:28:44 +0000 (0:00:00.134) 0:00:12.424 *******
failed: [vlab-01] => (item=PortChannel0001) => {"assertion": "'False' == 'True'", "evaluated_to": false, "failed": true, "invocation": {"module_args": {"that": "'False' == 'True'"}, "module_name": "assert"}, "item": "PortChannel0001"}
failed: [vlab-01] => (item=PortChannel0003) => {"assertion": "'False' == 'True'", "evaluated_to": false, "failed": true, "invocation": {"module_args": {"that": "'False' == 'True'"}, "module_name": "assert"}, "item": "PortChannel0003"}
failed: [vlab-01] => (item=PortChannel0002) => {"assertion": "'False' == 'True'", "evaluated_to": false, "failed": true, "invocation": {"module_args": {"that": "'False' == 'True'"}, "module_name": "assert"}, "item": "PortChannel0002"}
failed: [vlab-01] => (item=PortChannel0004) => {"assertion": "'False' == 'True'", "evaluated_to": false, "failed": true, "invocation": {"module_args": {"that": "'False' == 'True'"}, "module_name": "assert"}, "item": "PortChannel0004"}

I checked in sonic-vm also ,there also port-channel interfaces are down,
admin@vlab-01:~$ show interface portchannel
Flags: A - active, I - inactive, Up - up, Dw - Down, N/A - not available, S - selected, D - deselected
No. Team Dev Protocol Ports

0001 PortChannel0001 LACP(A)(Dw) Ethernet112(D)
0002 PortChannel0002 LACP(A)(Dw) Ethernet116(D)
0003 PortChannel0003 LACP(A)(Dw) Ethernet120(D)
0004 PortChannel0004 LACP(A)(Dw) Ethernet124(D)