diff --git a/roles/test_operator/README.md b/roles/test_operator/README.md
index f2c14f022f..143e4db146 100644
--- a/roles/test_operator/README.md
+++ b/roles/test_operator/README.md
@@ -35,6 +35,7 @@ Execute tests via the [test-operator](https://openstack-k8s-operators.github.io/
 * `cifmw_test_operator_tempest_image_tag`: (String) Tag for the `cifmw_test_operator_tempest_image`. Default value: `current-podified`
 * `cifmw_test_operator_tempest_include_list`: (String) List of tests to be executed. Setting this will not use the `list_allowed` plugin. Default value: `''`
 * `cifmw_test_operator_tempest_exclude_list`: (String) List of tests to be skipped. Setting this will not use the `list_skipped` plugin. Default value: `''`
+* `cifmw_test_operator_tempest_expected_failures_list`: (String) List of tests for which failures will be ignored. Default value: `''`
 * `cifmw_test_operator_tempest_external_plugin`: (List) List of dicts describing any external plugin to be installed. The dictionary contains a repository, changeRepository (optional) and changeRefspec (optional). Default value: `[]`
 * `cifmw_test_operator_tempest_tests_include_override_scenario`: (Boolean) Whether to override the scenario `cifmw_test_operator_tempest_include_list` definition. Default value: `false`
 * `cifmw_test_operator_tempest_tests_exclude_override_scenario`: (Boolean) Whether to override the scenario `cifmw_test_operator_tempest_exclude_list` definition. Default value: `false`
diff --git a/roles/test_operator/defaults/main.yml b/roles/test_operator/defaults/main.yml
index 2340cdab87..6f9a0837c6 100644
--- a/roles/test_operator/defaults/main.yml
+++ b/roles/test_operator/defaults/main.yml
@@ -117,6 +117,8 @@ cifmw_test_operator_tempest_config:
         {{ cifmw_test_operator_tempest_include_list | default('') }}
       excludeList: |
         {{ cifmw_test_operator_tempest_exclude_list | default('') }}
+      expectedFailuresList: |
+        {{ cifmw_test_operator_tempest_expected_failures_list | default('') }}
       concurrency: "{{ cifmw_test_operator_concurrency }}"
       externalPlugin: "{{ cifmw_test_operator_tempest_external_plugin | default([]) }}"
       extraRPMs: "{{ cifmw_test_operator_tempest_extra_rpms | default([]) }}"