cp: Disable a test failing on freebsd

tests/by-util/test_cp.rs

@@ -481,7 +481,7 @@ fn test_cp_arg_interactive() {
 }
 
 #[test]
-#[cfg(not(target_os = "android"))]
+#[cfg(not(any(target_os = "android", target_os = "freebsd")))]
 fn test_cp_arg_interactive_update() {
     // -u -i won't show the prompt to validate the override or not
     // Therefore, the error code will be 0