[M] Clean noisy error message in Yaml tests (elastic/x-pack-elasticsearch#3923)

Original commit: elastic/x-pack-elasticsearch@5f0d4040dc

plugin/src/test/resources/rest-api-spec/test/ml/get_model_snapshots.yml

@@ -30,6 +30,17 @@ setup:
             "snapshot_doc_count": 1
           }
 
+  - do:
+      headers:
+        Authorization: "Basic eF9wYWNrX3Jlc3RfdXNlcjp4LXBhY2stdGVzdC1wYXNzd29yZA==" # run as x_pack_rest_user, i.e. the test setup superuser
+      index:
+        index:  .ml-state
+        type:   doc
+        id:     "get-model-snapshots_model_state_1#1"
+        body:  >
+          {
+          }
+
   - do:
       headers:
         Authorization: "Basic eF9wYWNrX3Jlc3RfdXNlcjp4LXBhY2stdGVzdC1wYXNzd29yZA==" # run as x_pack_rest_user, i.e. the test setup superuser
@@ -45,11 +56,33 @@ setup:
             "snapshot_doc_count": 2
           }
 
+  - do:
+      headers:
+        Authorization: "Basic eF9wYWNrX3Jlc3RfdXNlcjp4LXBhY2stdGVzdC1wYXNzd29yZA==" # run as x_pack_rest_user, i.e. the test setup superuser
+      index:
+        index:  .ml-state
+        type:   doc
+        id:     "get-model-snapshots_model_state_2#1"
+        body:  >
+          {
+          }
+
+  - do:
+      headers:
+        Authorization: "Basic eF9wYWNrX3Jlc3RfdXNlcjp4LXBhY2stdGVzdC1wYXNzd29yZA==" # run as x_pack_rest_user, i.e. the test setup superuser
+      index:
+        index:  .ml-state
+        type:   doc
+        id:     "get-model-snapshots_model_state_2#2"
+        body:  >
+          {
+          }
+
   - do:
       headers:
         Authorization: "Basic eF9wYWNrX3Jlc3RfdXNlcjp4LXBhY2stdGVzdC1wYXNzd29yZA==" # run as x_pack_rest_user, i.e. the test setup superuser
       indices.refresh:
-        index: .ml-anomalies-get-model-snapshots
+        index: [.ml-anomalies-get-model-snapshots,.ml-state]
 
 ---
 "Test get model snapshots API with no params":

plugin/src/test/resources/rest-api-spec/test/ml/revert_model_snapshot.yml

@@ -199,13 +199,7 @@ setup:
       headers:
         Authorization: "Basic eF9wYWNrX3Jlc3RfdXNlcjp4LXBhY2stdGVzdC1wYXNzd29yZA==" # run as x_pack_rest_user, i.e. the test setup superuser
       indices.refresh:
-        index: .ml-anomalies-revert-model-snapshot
-
-  - do:
-      headers:
-        Authorization: "Basic eF9wYWNrX3Jlc3RfdXNlcjp4LXBhY2stdGVzdC1wYXNzd29yZA==" # run as x_pack_rest_user, i.e. the test setup superuser
-      indices.refresh:
-        index: .ml-state
+        index: [.ml-anomalies-revert-model-snapshot,.ml-state]
 
 ---
 "Test revert model with invalid snapshotId":

plugin/src/test/resources/rest-api-spec/test/ml/update_model_snapshot.yml

@@ -31,6 +31,39 @@ setup:
             "retain": false
           }
 
+  - do:
+      headers:
+        Authorization: "Basic eF9wYWNrX3Jlc3RfdXNlcjp4LXBhY2stdGVzdC1wYXNzd29yZA==" # run as x_pack_rest_user, i.e. the test setup superuser
+      index:
+        index:  .ml-state
+        type:   doc
+        id:     "update-model-snapshot_model_state_1#1"
+        body:  >
+          {
+          }
+
+  - do:
+      headers:
+        Authorization: "Basic eF9wYWNrX3Jlc3RfdXNlcjp4LXBhY2stdGVzdC1wYXNzd29yZA==" # run as x_pack_rest_user, i.e. the test setup superuser
+      index:
+        index:  .ml-state
+        type:   doc
+        id:     "update-model-snapshot_model_state_1#2"
+        body:  >
+          {
+          }
+
+  - do:
+      headers:
+        Authorization: "Basic eF9wYWNrX3Jlc3RfdXNlcjp4LXBhY2stdGVzdC1wYXNzd29yZA==" # run as x_pack_rest_user, i.e. the test setup superuser
+      index:
+        index:  .ml-state
+        type:   doc
+        id:     "update-model-snapshot_model_state_1#3"
+        body:  >
+          {
+          }
+
   - do:
       headers:
         Authorization: "Basic eF9wYWNrX3Jlc3RfdXNlcjp4LXBhY2stdGVzdC1wYXNzd29yZA==" # run as x_pack_rest_user, i.e. the test setup superuser
@@ -48,11 +81,33 @@ setup:
             "retain": true
           }
 
+  - do:
+      headers:
+        Authorization: "Basic eF9wYWNrX3Jlc3RfdXNlcjp4LXBhY2stdGVzdC1wYXNzd29yZA==" # run as x_pack_rest_user, i.e. the test setup superuser
+      index:
+        index:  .ml-state
+        type:   doc
+        id:     "update-model-snapshot_model_state_2#1"
+        body:  >
+          {
+          }
+
+  - do:
+      headers:
+        Authorization: "Basic eF9wYWNrX3Jlc3RfdXNlcjp4LXBhY2stdGVzdC1wYXNzd29yZA==" # run as x_pack_rest_user, i.e. the test setup superuser
+      index:
+        index:  .ml-state
+        type:   doc
+        id:     "update-model-snapshot_model_state_2#2"
+        body:  >
+          {
+          }
+
   - do:
       headers:
         Authorization: "Basic eF9wYWNrX3Jlc3RfdXNlcjp4LXBhY2stdGVzdC1wYXNzd29yZA==" # run as x_pack_rest_user, i.e. the test setup superuser
       indices.refresh:
-        index: .ml-anomalies-update-model-snapshot
+        index: [.ml-anomalies-update-model-snapshot,.ml-state]
 
 ---
 "Test with valid description":