assertEquals("connectionsInPool",
mgr.getConnectionsInPool(), 1);
assertEquals("connectionsInPool(host)",
mgr.getConnectionsInPool(route), 1);
mgr.closeIdleConnections(0L); // implicitly deletes them, too
assertEquals("connectionsInPool",
mgr.getConnectionsInPool(), 0);
assertEquals("connectionsInPool(host)",
mgr.getConnectionsInPool(route), 0);