with network_cli and persistent ssh, each command is done in order, so the context is kept

vrf.yml

---
- hosts: arista
  connection: network_cli
  tasks:
    - eos_command:
        commands:
          - routing-context vrf blah
          - show routing-context vrf
      register: output

    - debug:
        var: output

the output is literally->

➜  ansible-napalm-samples git:(master) ✗ ansible-playbook vrf.yml

PLAY [arista] *************************************************************************************************************************

TASK [eos_command] ********************************************************************************************************************
ok: [eos]

TASK [debug] **************************************************************************************************************************
ok: [eos] => {
    "output": {
        "changed": false,
        "failed": false,
        "stdout": [
            "",
            "Current VRF routing-context is blah"
        ],
        "stdout_lines": [
            [
                ""
            ],
            [
                "Current VRF routing-context is blah"
            ]
        ]
    }