Added tests for /{index}/_delete_by_query.

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

tests/default/indices/delete_by_query.yaml

@@ -0,0 +1,55 @@
+$schema: ../../../json_schemas/test_story.schema.yaml
+
+description: Test deleting documents that match a query.
+epilogues:
+  - path: /books
+    method: DELETE
+    status: [200, 404]
+prologues:
+  - path: /_bulk
+    method: POST
+    parameters:
+      refresh: true
+    request:
+      content_type: application/x-ndjson
+      payload:
+        - {create: {_index: books, _id: book_1392214}}
+        - {author: Harper Lee, title: To Kill a Mockingbird, year: 60}
+        - {create: {_index: books, _id: book_1392215}}
+        - {author: Elizabeth Rudnick, title: Beauty and the Beast, year: 91}
+chapters:
+  - synopsis: Delete documents in the index (full query term, script).
+    path: /{index}/_delete_by_query
+    method: POST
+    parameters:
+      index: books
+    request:
+      payload:
+        query:
+          term:
+            title:
+              _name: title
+              value: beauty
+              case_insensitive: true
+              boost: 1
+    response:
+      status: 200
+      payload:
+        total: 1
+        deleted: 1
+  - synopsis: Delete remaining documents in the index.
+    path: /{index}/_delete_by_query
+    method: POST
+    parameters:
+      index: books
+      refresh: true
+      conflicts: proceed
+    request:
+      payload:
+        query:
+          match_all: {}
+    response:
+      status: 200
+      payload:
+        total: 2
+        deleted: 1

tests/default/indices/update_by_query.yaml

@@ -1,6 +1,6 @@
 $schema: ../../../json_schemas/test_story.schema.yaml
 
-description: Test reindex.
+description: Test updating documents that match a query.
 epilogues:
   - path: /books
     method: DELETE