fixed script fields test yml test after change in timing type name for next_reader

Signed-off-by: Andre van de Ven <[email protected]>

Author: andrevandeven

modules/lang-painless/src/yamlRestTest/resources/rest-api-spec/test/painless/130_script_fields_profile.yml

@@ -65,5 +65,5 @@ setup:
 
   - is_true: profile.shards.0.fetch.0.children.0.breakdown.process
   - match: { profile.shards.0.fetch.0.children.0.breakdown.process_count: 3 }
-  - is_true: profile.shards.0.fetch.0.children.0.breakdown.next_reader
-  - match: { profile.shards.0.fetch.0.children.0.breakdown.next_reader_count: 1 }
+  - is_true: profile.shards.0.fetch.0.children.0.breakdown.set_next_reader
+  - match: { profile.shards.0.fetch.0.children.0.breakdown.set_next_reader_count: 1 }