Data stream support for async search

x-pack/plugin/src/test/resources/rest-api-spec/test/data_stream/10_data_stream_resolvability.yml

@@ -338,3 +338,74 @@
       indices.delete_data_stream:
         name: simple-data-stream1
   - is_true: acknowledged
+
+---
+"Verify data stream resolvability in async search":
+  - skip:
+      version: " - 7.99.99"
+      reason: "change to 7.8.99 after backport"
+      features: allowed_warnings
+
+  - do:
+      allowed_warnings:
+        - "index template [my-template1] has index patterns [simple-data-stream1] matching patterns from existing older templates [global] with patterns (global => [*]); this template [my-template1] will take precedence during new index creation"
+      indices.put_index_template:
+        name: my-template1
+        body:
+          index_patterns: [simple-data-stream1]
+          template:
+            mappings:
+              properties:
+                '@timestamp':
+                  type: date
+          data_stream:
+            timestamp_field: '@timestamp'
+
+  - do:
+      indices.create_data_stream:
+        name: simple-data-stream1
+  - is_true: acknowledged
+
+  - do:
+      index:
+        index:  simple-data-stream1
+        body:   { max: 2 }
+
+  - do:
+      index:
+        index:  simple-data-stream1
+        body:   { max: 1 }
+
+  - do:
+      index:
+        index:  simple-data-stream1
+        body:   { max: 3 }
+
+  - do:
+      indices.refresh:
+        index: simple-data-stream1
+
+  - do:
+      async_search.submit:
+        index: simple-data-stream1
+        batched_reduce_size: 2
+        wait_for_completion_timeout: 10s
+        body:
+          query:
+            match_all: {}
+          aggs:
+            max:
+              max:
+                field: max
+          sort: max
+
+  - is_false: id
+  - match:  { is_partial:                   false }
+  - length: { response.hits.hits:               3 }
+  - match:  { response.hits.hits.0._source.max: 1 }
+  - match:  { response.aggregations.max.value:  3.0 }
+
+  - do:
+      indices.delete_data_stream:
+        name: simple-data-stream1
+  - is_true: acknowledged