Added test for GET /_settings/{name}. (opensearch-project#727)

Signed-off-by: dblock <[email protected]>
Signed-off-by: Nathalie Jonathan <[email protected]>

tests/default/_core/settings.yaml

@@ -0,0 +1,58 @@
+$schema: ../../../json_schemas/test_story.schema.yaml
+
+description: Test settings.
+prologues:
+  - path: /movies
+    method: PUT
+  - path: /movies/_settings
+    method: PUT
+    request:
+      payload:
+        settings:
+          index.blocks.write: true
+          index:
+            number_of_replicas: 4
+epilogues:
+  - path: /movies
+    method: DELETE
+    status: [200, 404]
+chapters:
+  - synopsis: Get settings.
+    distributions:
+      excluded:
+        - amazon-managed
+        - amazon-serverless
+    path: /_settings
+    method: GET
+    parameters:
+      allow_no_indices: true
+      expand_wildcards: all
+      flat_settings: true
+      include_defaults: true
+      ignore_unavailable: true
+      local: true
+    response:
+      status: 200
+  - synopsis: Get settings (cluster_manager_timeout).
+    distributions:
+      excluded:
+        - amazon-managed
+        - amazon-serverless
+    path: /_settings
+    method: GET
+    version: '>= 2.0'
+    parameters:
+      allow_no_indices: true
+      expand_wildcards: all
+      flat_settings: true
+      include_defaults: true
+      ignore_unavailable: true
+      local: true
+      cluster_manager_timeout: 1s
+    response:
+      status: 200
+  - synopsis: Get settings by name.
+    path: /_settings/{name}
+    method: GET
+    parameters:
+      name: index.number_of_replicas

tests/default/indices/settings.yaml

@@ -10,40 +10,6 @@ epilogues:
     method: DELETE
     status: [200, 404]
 chapters:
-  - synopsis: Get global settings.
-    distributions:
-      excluded:
-        - amazon-managed
-        - amazon-serverless
-    path: /_settings
-    method: GET
-    parameters:
-      allow_no_indices: true
-      expand_wildcards: all
-      flat_settings: true
-      include_defaults: true
-      ignore_unavailable: true
-      local: true
-    response:
-      status: 200
-  - synopsis: Get global settings (cluster_manager_timeout).
-    distributions:
-      excluded:
-        - amazon-managed
-        - amazon-serverless
-    path: /_settings
-    method: GET
-    version: '>= 2.0'
-    parameters:
-      allow_no_indices: true
-      expand_wildcards: all
-      flat_settings: true
-      include_defaults: true
-      ignore_unavailable: true
-      local: true
-      cluster_manager_timeout: 1s
-    response:
-      status: 200
   - synopsis: Write a setting to an index.
     path: /{index}/_settings
     method: PUT