Add specification for query rule test API

specification/_json_spec/query_rules.test.json

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+{
+  "query_rules.test": {
+    "documentation": {
+      "url": "https://www.elastic.co/guide/en/elasticsearch/reference/master/test-query-ruleset.html",
+      "description": "Tests a query ruleset to identify the rules that would match input criteria"
+    },
+    "stability": "experimental",
+    "visibility": "public",
+    "headers": {
+      "accept": ["application/json"],
+      "content_type": ["application/json"]
+    },
+    "url": {
+      "paths": [
+        {
+          "path": "/_query_rules/{ruleset_id}/_test",
+          "methods": ["POST"],
+          "parts": {
+            "ruleset_id": {
+              "type": "string",
+              "description": "The unique identifier of the ruleset to test."
+            }
+          }
+        }
+      ]
+    },
+    "body": {
+      "description": "The match criteria to test against the ruleset",
+      "required": true
+    }
+  }
+}

specification/query_rules/test/QueryRulesetTestRequest.ts

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+/*
+ * Licensed to Elasticsearch B.V. under one or more contributor
+ * license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright
+ * ownership. Elasticsearch B.V. licenses this file to you under
+ * the Apache License, Version 2.0 (the "License"); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+import { RequestBase } from '@_types/Base'
+import { Id } from '@_types/common'
+import { Dictionary } from '@spec_utils/Dictionary'
+import { UserDefinedValue } from '@spec_utils/UserDefinedValue'
+
+/**
+ * Creates or updates a query ruleset.
+ * @rest_spec_name query_rules.put_ruleset
+ * @availability stack since=8.10.0 stability=stable
+ * @availability serverless stability=stable visibility=public
+ */
+export interface Request extends RequestBase {
+  path_parts: {
+    /**
+     * The unique identifier of the query ruleset to be created or updated
+     */
+    ruleset_id: Id
+  }
+  /**
+   * The criteria we're testing for
+   */
+  /** @codegen_name match_criteria */
+  body: {
+    match_criteria: Dictionary<string, UserDefinedValue>
+  }
+}

specification/query_rules/test/QueryRulesetTestResponse.ts

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+/*
+ * Licensed to Elasticsearch B.V. under one or more contributor
+ * license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright
+ * ownership. Elasticsearch B.V. licenses this file to you under
+ * the Apache License, Version 2.0 (the "License"); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+import { integer } from '@_types/Numeric'
+import { QueryRulesetMatchedRule } from './types'
+
+export class Response {
+  body: {
+    total_matched_rules: integer,
+    matched_rules: QueryRulesetMatchedRule[]
+  }
+}

specification/query_rules/test/types.ts

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+/*
+ * Licensed to Elasticsearch B.V. under one or more contributor
+ * license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright
+ * ownership. Elasticsearch B.V. licenses this file to you under
+ * the Apache License, Version 2.0 (the "License"); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+import { Dictionary } from '@spec_utils/Dictionary'
+import { Id } from '@_types/common'
+import { integer } from '@_types/Numeric'
+
+export class QueryRulesetMatchedRule {
+  /**
+   * Ruleset unique identifier
+   */
+  ruleset_id: Id
+  /**
+   * Rule unique identifier within that ruleset
+   */
+  rule_id: Id
+}