Adding yml test for keyword fields with doc_values enabled

Signed-off-by: Harsha Vamsi Kalluri <[email protected]>

rest-api-spec/src/main/resources/rest-api-spec/test/search/340_keyword_doc_values.yml

@@ -0,0 +1,64 @@
+---
+"search on keyword fields with doc_values enabled":
+  - do:
+      indices.create:
+        index:  test
+        body:
+          mappings:
+            properties:
+              some_keyword:
+                type: "keyword"
+                index: false
+                doc_values: true
+
+  - do:
+      index:
+        index:  test
+        id:     1
+        body:   { some_keyword: "ingesting some random keyword data" }
+
+  - do:
+      index:
+        index:  test
+        id:     2
+        body:   { some_keyword: "400" }
+
+
+  - do:
+      index:
+        index:  test
+        id:     3
+        body:   { some_keyword: "5" }
+
+  - do:
+      search:
+        index: test
+        body:
+          query:
+            term:
+              text:
+                query: "ingesting"
+
+  - match: {hits.total: 1}
+
+  - do:
+      search:
+        index: test
+        body:
+          query:
+            prefix:
+              some_keyword: "ing"
+
+  - match: {hits.total: 1}
+
+  - do:
+      search:
+        index: test
+        body:
+          query:
+            range: {
+              "k1": {
+              "gte": 10
+            }}
+
+  - match: {hits.total: 1}