chore: keep option

Author: durran

src/sdam/topology.ts

@@ -469,8 +469,16 @@ export class Topology extends TypedEventEmitter<TopologyEvents> {
         selectServerOptions
       );
 
-      const connection = await server.pool.checkOut({ timeoutContext: timeoutContext });
-      server.pool.checkIn(connection);
+      const skipPingOnConnect = this.s.options.__skipPingOnConnect === true;
+      if (!skipPingOnConnect && this.s.credentials) {
+        const connection = await server.pool.checkOut({ timeoutContext: timeoutContext });
+        server.pool.checkIn(connection);
+        stateTransition(this, STATE_CONNECTED);
+        this.emit(Topology.OPEN, this);
+        this.emit(Topology.CONNECT, this);
+
+        return this;
+      }
 
       stateTransition(this, STATE_CONNECTED);
       this.emit(Topology.OPEN, this);