test(NODE-3879): legacy count in retryable reads (#3135)

Author: nbbeeken

test/integration/retryable-reads/retryable_reads.spec.test.js

@@ -23,6 +23,7 @@ describe('Retryable Reads', function () {
       spec.description.match(/listCollections/i) ||
       spec.description.match(/listCollectionNames/i) ||
       spec.description.match(/estimatedDocumentCount/i) ||
+      spec.description.match(/count/i) ||
       spec.description.match(/find/i)
     );
   });