Worked on the PR comments

Author: mridula-s109

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

@@ -77,20 +77,15 @@ setup:
           retriever:
             rrf:
               retrievers:
-                -
-                  standard:
-                    query:
-                      match: { text: "document" }
                 -
                   pinned:
                     ids: ["doc4", "doc5"]
                     retriever:
                       standard:
                         query:
-                          match: { text: "document" }
-
-  - match: { hits.total.value: 5 }
-  - match: { hits.hits.0._id: doc1 }
-  - lt: { hits.hits.0._score: 100.0 }
+                          match_none: {}
 
+  - match: { hits.total.value: 2 }
+  - match: { hits.hits.0._id: doc4 }
+  - match: { hits.hits.1._id: doc5 }