Using /etc/ansible/ansible.cfg as config file
2 plays in test.yml

PLAY [simple block test] *******************************************************

TASK [setup] *******************************************************************
ok: [localhost]

TASK [set block tasks run flag] ************************************************
ok: [localhost] => {"ansible_facts": {"block_tasks_run": true}, "changed": false}

TASK [fail in tasks] ***********************************************************
fatal: [localhost]: FAILED! => {"changed": false, "failed": true, "msg": "Failed as requested from task"}

TASK [set block rescue run flag] ***********************************************
ok: [localhost] => {"ansible_facts": {"block_rescue_run": true}, "changed": false}

TASK [fail in rescue] **********************************************************
fatal: [localhost]: FAILED! => {"changed": false, "failed": true, "msg": "Failed as requested from task"}

TASK [set block always run flag] ***********************************************
ok: [localhost] => {"ansible_facts": {"block_always_run": true}, "changed": false}

TASK [set nested block always run flag] ****************************************
ok: [localhost] => {"ansible_facts": {"nested_block_always_run": true}, "changed": false}

TASK [fail in always] **********************************************************
fatal: [localhost]: FAILED! => {"changed": false, "failed": true, "msg": "Failed as requested from task"}

TASK [assert] ******************************************************************
ok: [localhost] => {"changed": false, "msg": "all assertions passed"}

TASK [debug] *******************************************************************
ok: [localhost] => {
    "msg": "TEST COMPLETE"
}

PLAY [block with includes] *****************************************************

TASK [setup] *******************************************************************
ok: [localhost]

TASK [include fail.yml in tasks] ***********************************************
included: /root/testing/test_blocks/fail.yml for localhost

TASK [fail] ********************************************************************
fatal: [localhost]: FAILED! => {"changed": false, "failed": true, "msg": "failed from tasks"}

TASK [set_fact] ****************************************************************
ok: [localhost] => {"ansible_facts": {"rescue_run_after_include_fail": true}, "changed": false}

TASK [set_fact] ****************************************************************
ok: [localhost] => {"ansible_facts": {"always_run_after_include_fail_in_rescue": true}, "changed": false}

PLAY RECAP *********************************************************************
localhost                  : ok=11   changed=0    unreachable=0    failed=2