PYTHON-5536 Avoid clearing the connection pool when the server connection rate limiter triggers (#2509)

Co-authored-by: Iris <58442094+sleepyStick@users.noreply.github.com>
Co-authored-by: Noah Stapp <noah.stapp@mongodb.com>
Co-authored-by: Shane Harvey <shnhrv@gmail.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: 5 people

test/connection_logging/connection-logging.json

@@ -331,7 +331,9 @@
                   "uriOptions": {
                     "retryReads": false,
                     "appname": "clientAppName",
-                    "heartbeatFrequencyMS": 10000
+                    "heartbeatFrequencyMS": 10000,
+                    "socketTimeoutMS": 500,
+                    "connectTimeoutMS": 500
                   },
                   "observeLogMessages": {
                     "connection": "debug"
@@ -355,7 +357,9 @@
                 "failCommands": [
                   "saslContinue"
                 ],
-                "closeConnection": true,
+                "closeConnection": false,
+                "blockConnection": true,
+                "blockTimeMS": 1000,
                 "appName": "clientAppName"
               }
             }

test/discovery_and_monitoring/unified/auth-network-error.json

@@ -53,7 +53,9 @@
                 "failCommands": [
                   "saslContinue"
                 ],
-                "closeConnection": true,
+                "closeConnection": false,
+                "blockConnection": true,
+                "blockTimeMS": 1000,
                 "appName": "authNetworkErrorTest"
               }
             }
@@ -75,6 +77,8 @@
                   ],
                   "uriOptions": {
                     "retryWrites": false,
+                    "socketTimeoutMS": 500,
+                    "connectTimeoutMS": 500,
                     "appname": "authNetworkErrorTest"
                   }
                 }