[Backport 2.x] Add more yaml rest tests for search backpressure settings (#16012)

rest-api-spec/src/main/resources/rest-api-spec/test/cluster.put_settings/10_basic.yml

@@ -69,149 +69,3 @@
         include_defaults: true
 
  - match: {defaults.node.attr.testattr: "test"}
-
----
-"Test set search backpressure mode":
-
-  - skip:
-      version: "- 2.3.99"
-      reason: "Search backpressure was added in 2.4"
-
-  - do:
-      cluster.put_settings:
-        body:
-          persistent:
-            search_backpressure.mode: "monitor_only"
-
-  - match: {persistent: {search_backpressure: {mode: "monitor_only"}}}
-
----
-"Test set invalid search backpressure mode":
-
-  - skip:
-      version: "- 2.7.99"
-      reason: "Parsing and validation of SearchBackpressureMode does not exist in versions < 2.8"
-
-  - do:
-      catch: bad_request
-      cluster.put_settings:
-        body:
-          persistent:
-            search_backpressure.mode: "monitor-only"
-
-  - match: {error.root_cause.0.type: "illegal_argument_exception"}
-  - match: { error.root_cause.0.reason: "Invalid SearchBackpressureMode: monitor-only" }
-  - match: { status: 400 }
-
-
----
-"Test setting search backpressure cancellation settings":
-  - skip:
-      version: "- 2.17.99"
-      reason: "Fixed in 2.18.0"
-
-  - do:
-      cluster.put_settings:
-        body:
-          transient:
-            search_backpressure.search_task.cancellation_burst: 11
-  - is_true: acknowledged
-
-  - do:
-      cluster.get_settings:
-        flat_settings: false
-  - match: {transient.search_backpressure.search_task.cancellation_burst: "11"}
-
-  - do:
-      cluster.put_settings:
-        body:
-          transient:
-            search_backpressure.search_task.cancellation_rate: 0.1
-  - is_true: acknowledged
-
-  - do:
-      cluster.get_settings:
-        flat_settings: false
-  - match: {transient.search_backpressure.search_task.cancellation_rate: "0.1"}
-
-  - do:
-      cluster.put_settings:
-        body:
-          transient:
-            search_backpressure.search_task.cancellation_ratio: 0.2
-  - is_true: acknowledged
-
-  - do:
-      cluster.get_settings:
-        flat_settings: false
-  - match: {transient.search_backpressure.search_task.cancellation_ratio: "0.2"}
-
-  - do:
-      cluster.put_settings:
-        body:
-          transient:
-            search_backpressure.search_shard_task.cancellation_burst: 12
-  - is_true: acknowledged
-
-  - do:
-      cluster.get_settings:
-        flat_settings: false
-  - match: {transient.search_backpressure.search_shard_task.cancellation_burst: "12"}
-
-  - do:
-      cluster.put_settings:
-        body:
-          transient:
-            search_backpressure.search_shard_task.cancellation_rate: 0.3
-  - is_true: acknowledged
-
-  - do:
-      cluster.get_settings:
-        flat_settings: false
-  - match: {transient.search_backpressure.search_shard_task.cancellation_rate: "0.3"}
-
-  - do:
-      cluster.put_settings:
-        body:
-          transient:
-            search_backpressure.search_shard_task.cancellation_ratio: 0.4
-  - is_true: acknowledged
-
-  - do:
-      cluster.get_settings:
-        flat_settings: false
-  - match: {transient.search_backpressure.search_shard_task.cancellation_ratio: "0.4"}
-
----
-"Test setting invalid search backpressure cancellation_rate and cancellation_ratio":
-  - skip:
-      version: "- 2.17.99"
-      reason: "Fixed in 2.18.0"
-
-  - do:
-      catch: /search_backpressure.search_task.cancellation_rate must be > 0/
-      cluster.put_settings:
-        body:
-          transient:
-            search_backpressure.search_task.cancellation_rate: 0.0
-
-  - do:
-      catch: /search_backpressure.search_task.cancellation_ratio must be > 0/
-      cluster.put_settings:
-        body:
-          transient:
-            search_backpressure.search_task.cancellation_ratio: 0.0
-
-  - do:
-      catch: /search_backpressure.search_shard_task.cancellation_rate must be > 0/
-      cluster.put_settings:
-        body:
-          transient:
-            search_backpressure.search_shard_task.cancellation_rate: 0.0
-
-  - do:
-      catch: /search_backpressure.search_shard_task.cancellation_ratio must be > 0/
-      cluster.put_settings:
-        body:
-          transient:
-            search_backpressure.search_shard_task.cancellation_ratio: 0.0