test: add test to ensure connections are replaced up to minPoolSize

test/integration/connection-monitoring-and-pooling/cmap-node-specs/pool-minPoolSize-replace-removed-connections.json

@@ -0,0 +1,77 @@
+{
+  "version": 1,
+  "style": "unit",
+  "description": "must replace removed connections up to minPoolSize",
+  "poolOptions": {
+    "minPoolSize": 2
+  },
+  "operations": [
+    {
+      "name": "waitForEvent",
+      "event": "ConnectionReady",
+      "count": 2
+    },
+    {
+      "name": "wait",
+      "ms": 1000
+    },
+    {
+      "name": "checkOut",
+      "label": "conn"
+    },
+    {
+      "name": "clear"
+    },
+    {
+      "name": "checkIn",
+      "connection": "conn"
+    },
+    {
+      "name": "waitForEvent",
+      "event": "ConnectionReady",
+      "count": 3
+    }
+  ],
+  "events": [
+    {
+      "type": "ConnectionReady",
+      "address": 42
+    },
+    {
+      "type": "ConnectionReady",
+      "address": 42
+    },
+    {
+      "type": "ConnectionCheckedOut",
+      "address": 42
+    },
+    {
+      "type": "ConnectionPoolCleared",
+      "address": 42
+    },
+    {
+      "type": "ConnectionCheckedIn",
+      "address": 42
+    },
+    {
+      "type": "ConnectionClosed",
+      "reason": "stale",
+      "address": 42,
+      "availableConnectionCount": 1,
+      "pendingConnectionCount": 0,
+      "totalConnectionCount": 1
+    },
+    {
+      "type": "ConnectionReady",
+      "address": 42,
+      "availableConnectionCount": 1,
+      "pendingConnectionCount": 1,
+      "totalConnectionCount": 2
+    }
+  ],
+  "ignore": [
+    "ConnectionPoolCreated",
+    "ConnectionCreated",
+    "ConnectionCheckOutStarted"
+  ]
+}