AwaitsFix: https://github.com/elastic/elasticsearch/issues/110720

muted-tests.yml

@@ -79,6 +79,9 @@ tests:
 - class: "org.elasticsearch.backwards.MixedClusterClientYamlTestSuiteIT"
   issue: "https://github.com/elastic/elasticsearch/issues/110719"
   method: "test {p0=search.vectors/45_knn_search_byte/Test nonexistent field}"
+- class: "org.elasticsearch.backwards.MixedClusterClientYamlTestSuiteIT"
+  issue: "https://github.com/elastic/elasticsearch/issues/110720"
+  method: "test {p0=search.vectors/40_knn_search/Test nonexistent field}"
 
 # Examples:
 #