top document no pinned

Author: mridula-s109

x-pack/plugin/rank-rrf/src/yamlRestTest/resources/rest-api-spec/test/rrf/950_pinned_interaction.yml

@@ -83,7 +83,7 @@ setup:
                       match: { text: "document" }
                 -
                   pinned:
-                    ids: ["doc1", "doc2"]
+                    ids: ["doc4", "doc5"]
                     retriever:
                       standard:
                         query:
@@ -92,5 +92,7 @@ setup:
   - match: { hits.total.value: 5 }
   - match: { hits.hits.0._id: doc1 }
   - lt: { hits.hits.0._score: 100.0 }
+  - match: { hits.hits.1._id: doc4 }
+  - match: { hits.hits.2._id: doc5 }