Merge pull request elastic/elasticsearch#412 from clintongormley/real_bulk_body

REST tests: Add a real bulk body to the hijack tests

Original commit: elastic/x-pack-elasticsearch@b17e49a3d5

rest-api-spec/test/hijack/10_basic.yaml

@@ -39,10 +39,15 @@
       bulk:
           index: ".watches"
           type: "watch"
-          body: []
+          body:
+            -  { "index": {}}
+            -  {}
+
 
   - do:
       catch: /not supported/
       bulk:
           index: ".watches"
-          body: []
+          body:
+            -  { "index": {}}
+            -  {}