diff --git a/Cargo.lock b/Cargo.lock
index 257ac22dc..3a9d53185 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,6 +1,6 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
-version = 3
+version = 4
 
 [[package]]
 name = "Inflector"
diff --git a/Cargo.toml b/Cargo.toml
index 6b47e30d0..beb397555 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -362,4 +362,4 @@ twox-hash = { opt-level = 3 }
 uint = { opt-level = 3 }
 x25519-dalek = { opt-level = 3 }
 yamux = { opt-level = 3 }
-zeroize = { opt-level = 3 }
+zeroize = { opt-level = 3 }
\ No newline at end of file
diff --git a/pallets/network-membership/src/tests.rs b/pallets/network-membership/src/tests.rs
index e5addf40e..a22be1d81 100644
--- a/pallets/network-membership/src/tests.rs
+++ b/pallets/network-membership/src/tests.rs
@@ -361,3 +361,28 @@ fn test_auto_expire_non_existent_membership() {
 		assert_eq!(NetworkMembership::is_member(&AccountId::new([99u8; 32])), false);
 	});
 }
+
+// #[test]
+// fn test_unauthorized_operation() {
+//     new_test_ext().execute_with(|| {
+//         run_to_block(1);
+
+//         let non_member = AccountId::new([14u8; 32]);
+
+//         assert_err!(
+//             NetworkMembership::nominate(
+//                 RuntimeOrigin::signed(non_member),
+//                 AccountId::new([13u8; 32]),
+//                 true
+//             ),
+//             BadOrigin
+//         );
+
+//         assert_eq!(NetworkMembership::members_count(), 1);
+
+//         assert_eq!(
+//             Members::<Test>::get(AccountId::new([13u8; 32])),
+//             None
+//         );
+//     });
+// }
diff --git a/pallets/network-score/src/tests.rs b/pallets/network-score/src/tests.rs
index f7a9e738b..21dda0de3 100644
--- a/pallets/network-score/src/tests.rs
+++ b/pallets/network-score/src/tests.rs
@@ -915,3 +915,30 @@ fn reference_identifier_not_found_test() {
 		<MessageIdentifiers<Test>>::remove(message_id_revise.clone(), creator.clone());
 	});
 }
+
+// to check the unauthorized operation...
+
+// #[test]
+// fn test_unauthorized_operation() {
+//     new_test_ext().execute_with(|| {
+//         run_to_block(1);
+
+//         let non_member = AccountId::new([14u8; 32]);
+
+//         assert_err!(
+//             NetworkMembership::nominate(
+//                 RuntimeOrigin::signed(non_member),
+//                 AccountId::new([13u8; 32]),
+//                 true
+//             ),
+//             BadOrigin
+//         );
+
+//         assert_eq!(NetworkMembership::members_count(), 1);
+
+//         assert_eq!(
+//             Members::<Test>::get(AccountId::new([13u8; 32])),
+//             None
+//         );
+//     });
+// }
diff --git a/pallets/node-authorization/src/lib.rs b/pallets/node-authorization/src/lib.rs
index 6eeff230f..48adbba3b 100644
--- a/pallets/node-authorization/src/lib.rs
+++ b/pallets/node-authorization/src/lib.rs
@@ -489,4 +489,4 @@ impl<T: Config> Pallet<T> {
 
 		Ok(node)
 	}
-}
+}
\ No newline at end of file
diff --git a/pallets/node-authorization/src/mock.rs b/pallets/node-authorization/src/mock.rs
index d8800d8a9..6a6c1616b 100644
--- a/pallets/node-authorization/src/mock.rs
+++ b/pallets/node-authorization/src/mock.rs
@@ -130,4 +130,4 @@ pub fn new_test_ext() -> sp_io::TestExternalities {
 	.assimilate_storage(&mut t)
 	.unwrap();
 	t.into()
-}
+}
\ No newline at end of file
diff --git a/pallets/node-authorization/src/tests.rs b/pallets/node-authorization/src/tests.rs
index 24af33aef..beb5f2da1 100644
--- a/pallets/node-authorization/src/tests.rs
+++ b/pallets/node-authorization/src/tests.rs
@@ -454,8 +454,44 @@ fn adding_already_connected_connection_should_fail() {
 	});
 }
 
+// Test to check whether the peerId is TooLong or not.
 #[test]
 fn test_generate_peer_id_invalid_utf8() {
+	// Invalid UTF-8 node ID
 	let invalid_node_id: NodeId = vec![0xFF, 0xFE, 0xFD];
 	assert_err!(NodeAuthorization::generate_peer_id(&invalid_node_id), Error::<Test>::InvalidUtf8);
 }
+
+#[test]
+fn test_generate_peer_id_too_long() {
+	// Node ID exceeding the maximum length
+	let long_node_id: NodeId = vec![0x01; MAX_NODE_ID_LEN + 1]; // Exceeds max length
+	assert_err!(NodeAuthorization::generate_peer_id(&long_node_id), Error::<Test>::PeerIdTooLong);
+}
+
+#[test]
+fn add_well_known_node_with_peer_id_too_long_should_fail() {
+	new_test_ext().execute_with(|| {
+		// Attempt to add a node with an excessively long peer ID
+		assert_noop!(
+			NodeAuthorization::add_well_known_node(
+				RuntimeOrigin::signed(1),
+				test_node(TEST_NODE_LEN), // Exceeds max length
+				15
+			),
+			Error::<Test>::PeerIdTooLong
+		);
+	});
+}
+
+#[test]
+fn remove_well_known_node_with_peer_id_too_long_should_fail() {
+	new_test_ext().execute_with(|| {
+		// Attempt to remove a node with an excessively long peer ID
+		let long_peer_id: PeerId = vec![0x01; MAX_PEER_ID_LEN + 1]; // Exceeds max length
+		assert_noop!(
+			NodeAuthorization::remove_well_known_node(RuntimeOrigin::signed(1), long_peer_id),
+			Error::<Test>::PeerIdTooLong
+		);
+	});
+}
diff --git a/test-utils/service/src/lib.rs b/test-utils/service/src/lib.rs
index 485a00754..470f8364f 100644
--- a/test-utils/service/src/lib.rs
+++ b/test-utils/service/src/lib.rs
@@ -178,7 +178,7 @@ where
 				interval.tick().await;
 
 				if full_nodes.iter().all(|(id, service, _, _)| full_predicate(*id, service)) {
-					break
+					break;
 				}
 			}
 		};