test(NODE-6858): handle MongoServerSelectionError

Author: tadjik1

src/error.ts

@@ -1551,9 +1551,9 @@ export function isResumableError(error?: Error, wireVersion?: number): boolean {
     return true;
   }
 
-  // if (error instanceof MongoServerSelectionError) {
-  //   return true;
-  // }
+  if (error instanceof MongoServerSelectionError) {
+    return true;
+  }
 
   if (wireVersion != null && wireVersion >= 9) {
     // DRIVERS-1308: For 4.4 drivers running against 4.4 servers, drivers will add a special case to treat the CursorNotFound error code as resumable

test/integration/change-streams/change_stream.test.ts

@@ -1820,7 +1820,7 @@ describe('Change Streams', function () {
   });
 });
 
-describe.only('ChangeStream resumability', function () {
+describe('ChangeStream resumability', function () {
   let client: MongoClient;
   let collection: Collection;
   let changeStream: ChangeStream;