Fixed import issue for integration tests

Author: hollowpointer

tests/src/discovery/integration.rs

@@ -14,6 +14,7 @@ use zond_common::models::port::PortSet;
 use zond_common::models::ip::{set::IpSet, range::Ipv4Range};
 use zond_core::scanner::{self, STOP_SIGNAL};
 
+#[cfg(target_os = "linux")]
 use crate::utils::NetnsContext;
 
 #[tokio::test]