pls pass tests

Author: aditi-khare-mongoDB

src/error.ts

@@ -1240,11 +1240,14 @@ export function needsRetryableWriteLabel(
     }
   }
 
-  if (error instanceof MongoWriteConcernError && !isSharded && maxWireVersion >= 9) {
+  // For  writeErrors and writeConcernErrors from a pre-4.4 mongos response, do not use the code to determine retryability.
+  const isShardedAndPre4_4 = !isSharded && maxWireVersion >= 9;
+
+  if (error instanceof MongoWriteConcernError && !isShardedAndPre4_4) {
     return RETRYABLE_WRITE_ERROR_CODES.has(error.result?.code ?? error.code ?? 0);
   }
 
-  if (error instanceof MongoError && typeof error.code === 'number') {
+  if (error instanceof MongoError && typeof error.code === 'number' && !isShardedAndPre4_4) {
     return RETRYABLE_WRITE_ERROR_CODES.has(error.code);
   }