diff --git a/tests/default/indices/mapping.yml b/tests/default/indices/mapping.yaml
similarity index 100%
rename from tests/default/indices/mapping.yml
rename to tests/default/indices/mapping.yaml
diff --git a/tests/default/observability/observability.yaml b/tests/default/observability/observability.yaml
index f9e37461c..e27b2be5e 100644
--- a/tests/default/observability/observability.yaml
+++ b/tests/default/observability/observability.yaml
@@ -57,6 +57,9 @@ prologues:
               - name: field1
                 type: text
     status: [200]
+  - path: /_refresh
+    method: POST
+    status: [200]
 chapters:
   - synopsis: Retrieve specific Observability object after creation.
     path: /_plugins/_observability/object/{object_id}
@@ -144,7 +147,7 @@ chapters:
       status: 200
       payload:
         startIndex: 0
-        totalHits: 0
+        totalHits: 1
         totalHitRelation: eq
         observabilityObjectList: []
 epilogues:
diff --git a/tests/default/security/api/internalusers.yml/authtoken.yml b/tests/default/security/api/internalusers/authtoken.yaml
similarity index 100%
rename from tests/default/security/api/internalusers.yml/authtoken.yml
rename to tests/default/security/api/internalusers/authtoken.yaml
diff --git a/tests/default/security/api/ssl/certs.yml b/tests/default/security/api/ssl/certs.yaml
similarity index 100%
rename from tests/default/security/api/ssl/certs.yml
rename to tests/default/security/api/ssl/certs.yaml
diff --git a/tests/default/security/api/_upgrade_check.yaml b/tests/default/security/api/upgrade_check.yaml
similarity index 100%
rename from tests/default/security/api/_upgrade_check.yaml
rename to tests/default/security/api/upgrade_check.yaml
diff --git a/tests/default/security/api/_upgrade_perform.yaml b/tests/default/security/api/upgrade_perform.yaml
similarity index 100%
rename from tests/default/security/api/_upgrade_perform.yaml
rename to tests/default/security/api/upgrade_perform.yaml