diff --git a/harmony/src/domain/topology/k8s_anywhere/k8s_anywhere.rs b/harmony/src/domain/topology/k8s_anywhere/k8s_anywhere.rs
index 5b691cc9..76280d86 100644
--- a/harmony/src/domain/topology/k8s_anywhere/k8s_anywhere.rs
+++ b/harmony/src/domain/topology/k8s_anywhere/k8s_anywhere.rs
@@ -1222,9 +1222,11 @@ fn extract_base_domain(host: &str) -> Option<String> {
 #[cfg(test)]
 mod tests {
     use super::*;
+    use std::sync::Mutex;
     use std::sync::atomic::{AtomicUsize, Ordering};
 
     static TEST_COUNTER: AtomicUsize = AtomicUsize::new(0);
+    static ENV_LOCK: Mutex<()> = Mutex::new(());
 
     /// Sets environment variables with unique names to avoid concurrency issues between tests.
     /// Returns the names of the (config_var, profile_var) used.
@@ -1289,6 +1291,7 @@ mod tests {
 
     #[test]
     fn test_remote_k8s_from_env_var_only_context() {
+        let _lock = ENV_LOCK.lock().unwrap_or_else(|e| e.into_inner());
         run_in_isolated_env(|| {
             unsafe {
                 std::env::remove_var("KUBECONFIG");
@@ -1305,6 +1308,7 @@ mod tests {
 
     #[test]
     fn test_remote_k8s_from_env_var_unknown_key_trim() {
+        let _lock = ENV_LOCK.lock().unwrap_or_else(|e| e.into_inner());
         run_in_isolated_env(|| {
             unsafe {
                 std::env::remove_var("KUBECONFIG");
@@ -1324,6 +1328,7 @@ mod tests {
 
     #[test]
     fn test_remote_k8s_from_env_var_empty_malformed() {
+        let _lock = ENV_LOCK.lock().unwrap_or_else(|e| e.into_inner());
         run_in_isolated_env(|| {
             unsafe {
                 std::env::remove_var("KUBECONFIG");
@@ -1341,6 +1346,7 @@ mod tests {
 
     #[test]
     fn test_remote_k8s_from_env_var_kubeconfig_fallback() {
+        let _lock = ENV_LOCK.lock().unwrap_or_else(|e| e.into_inner());
         run_in_isolated_env(|| {
             unsafe {
                 std::env::set_var("KUBECONFIG", "/fallback/path");
@@ -1357,6 +1363,7 @@ mod tests {
 
     #[test]
     fn test_remote_k8s_from_env_var_kubeconfig_no_fallback_if_provided() {
+        let _lock = ENV_LOCK.lock().unwrap_or_else(|e| e.into_inner());
         run_in_isolated_env(|| {
             unsafe {
                 std::env::set_var("KUBECONFIG", "/fallback/path");
diff --git a/harmony/src/infra/brocade.rs b/harmony/src/infra/brocade.rs
index 58a1241d..2bc90d2b 100644
--- a/harmony/src/infra/brocade.rs
+++ b/harmony/src/infra/brocade.rs
@@ -139,7 +139,7 @@ impl SwitchClient for BrocadeSwitchClient {
 pub struct UnmanagedSwitch;
 
 impl UnmanagedSwitch {
-    pub async fn init( ) -> Result<Self, ()> {
+    pub async fn init() -> Result<Self, ()> {
         Ok(Self)
     }
 }
@@ -162,7 +162,14 @@ impl SwitchClient for UnmanagedSwitch {
         channel_name: &str,
         switch_ports: Vec<PortLocation>,
     ) -> Result<u8, SwitchError> {
-        todo!("unmanaged switch. Nothing to do.") 
+        todo!("unmanaged switch. Nothing to do.")
+    }
+
+    async fn clear_port_channel(&self, ids: &Vec<Id>) -> Result<(), SwitchError> {
+        todo!("unmanged switch. Nothing to do.")
+    }
+    async fn configure_interface(&self, ports: &Vec<PortConfig>) -> Result<(), SwitchError> {
+        todo!("unmanged switch. Nothing to do.")
     }
 }