diff --git a/integration_test/src/main.rs b/integration_test/src/main.rs
index 4da07828..d9f4dca7 100644
--- a/integration_test/src/main.rs
+++ b/integration_test/src/main.rs
@@ -214,11 +214,11 @@ fn main() {
     test_get_descriptor_info(&cl);
     test_derive_addresses(&cl);
     test_get_mempool_info(&cl);
+    test_add_multisig_address(&cl);
     //TODO import_multi(
     //TODO verify_message(
     //TODO encrypt_wallet(&self, passphrase: &str) -> Result<()> {
     //TODO get_by_id<T: queryable::Queryable<Self>>(
-    //TODO add_multisig_address(
     test_add_node(&cl);
     test_get_added_node_info(&cl);
     test_get_node_addresses(&cl);
@@ -1191,8 +1191,12 @@ fn test_add_node(cl: &Client) {
 
 fn test_get_added_node_info(cl: &Client) {
     cl.add_node("127.0.0.1:1234").unwrap();
-    let added_info = cl.get_added_node_info(None).unwrap();
-    assert_eq!(added_info.len(), 1);
+    cl.add_node("127.0.0.1:4321").unwrap();
+
+    assert!(cl.get_added_node_info(Some("127.0.0.1:1111")).is_err());
+    assert_eq!(cl.get_added_node_info(None).unwrap().len(), 2);
+    assert_eq!(cl.get_added_node_info(Some("127.0.0.1:1234")).unwrap().len(), 1);
+    assert_eq!(cl.get_added_node_info(Some("127.0.0.1:4321")).unwrap().len(), 1);
 }
 
 fn test_get_node_addresses(cl: &Client) {
@@ -1345,6 +1349,24 @@ fn test_get_descriptor_info(cl: &Client) {
     assert!(cl.get_descriptor_info("abcdef").is_err());
 }
 
+fn test_add_multisig_address(cl: &Client) {
+    let addr1 = cl.get_new_address(None, Some(json::AddressType::Bech32)).unwrap().assume_checked();
+    let addr2 = cl.get_new_address(None, Some(json::AddressType::Bech32)).unwrap().assume_checked();
+    let addresses = [
+        json::PubKeyOrAddress::Address(&addr1),
+        json::PubKeyOrAddress::Address(&addr2),
+    ];
+
+    assert!(cl.add_multisig_address(addresses.len(), &addresses, None, None).is_ok());
+    assert!(cl.add_multisig_address(addresses.len() - 1, &addresses, None, None).is_ok());
+    assert!(cl.add_multisig_address(addresses.len() + 1, &addresses, None, None).is_err());
+    assert!(cl.add_multisig_address(0, &addresses, None, None).is_err());
+    assert!(cl.add_multisig_address(addresses.len(), &addresses, Some("test_label"), None).is_ok());
+    assert!(cl.add_multisig_address(addresses.len(), &addresses, None, Some(json::AddressType::Legacy)).is_ok());
+    assert!(cl.add_multisig_address(addresses.len(), &addresses, None, Some(json::AddressType::P2shSegwit)).is_ok());
+    assert!(cl.add_multisig_address(addresses.len(), &addresses, None, Some(json::AddressType::Bech32)).is_ok());
+}
+
 fn test_derive_addresses(cl: &Client) {
     let descriptor = r"pkh(02e96fe52ef0e22d2f131dd425ce1893073a3c6ad20e8cac36726393dfb4856a4c)#62k9sn4x";
     assert_eq!(cl.derive_addresses(descriptor, None).unwrap(), vec!["mrkwtj5xpYQjHeJe5wsweNjVeTKkvR5fCr".parse().unwrap()]);