create new client

Author: blink1073

test/load_balancer/sdam-error-handling.json

@@ -23,6 +23,12 @@
     {
       "client": {
         "id": "failPointClient",
+        "useMultipleMongoses": false
+      }
+    },
+    {
+      "client": {
+        "id": "failPointClientTimeout",
         "useMultipleMongoses": false,
         "uriOptions": {
           "socketTimeoutMS": 500,
@@ -406,7 +412,7 @@
           "name": "failPoint",
           "object": "testRunner",
           "arguments": {
-            "client": "failPointClient",
+            "client": "failPointClientTimeout",
             "failPoint": {
               "configureFailPoint": "failCommand",
               "mode": {