fix(topology): respect the force parameter for topology close

NODE-2155

Author: mbroadst

lib/core/sdam/topology.js

@@ -291,7 +291,15 @@ class Topology extends EventEmitter {
    * Close this topology
    */
   close(options, callback) {
-    if (typeof options === 'function') (callback = options), (options = {});
+    if (typeof options === 'function') {
+      callback = options;
+      options = {};
+    }
+
+    if (typeof options === 'boolean') {
+      options = { force: options };
+    }
+
     options = options || {};
 
     // clear all existing monitor timers
@@ -332,7 +340,7 @@ class Topology extends EventEmitter {
     // destroy all child servers
     let destroyed = 0;
     servers.forEach(server =>
-      destroyServer(server, this, () => {
+      destroyServer(server, this, options, () => {
         destroyed++;
         if (destroyed === servers.size) {
           // emit an event for close
@@ -736,10 +744,11 @@ function isWriteCommand(command) {
  *
  * @param {Server} server
  */
-function destroyServer(server, topology, callback) {
+function destroyServer(server, topology, options, callback) {
+  options = options || {};
   LOCAL_SERVER_EVENTS.forEach(event => server.removeAllListeners(event));
 
-  server.destroy(() => {
+  server.destroy(options, () => {
     topology.emit(
       'serverClosed',
       new monitoring.ServerClosedEvent(topology.s.id, server.description.address)