1 files changed, 7 insertions, 0 deletions
diff --git a/tests/util/mod.rs b/tests/util/mod.rs
index b1d3ea3..4a00a66 100644
--- a/tests/util/mod.rs
+++ b/tests/util/mod.rs
@@ -69,6 +69,13 @@ macro_rules! assert_cmd_err {
 }
 
 #[macro_export]
+macro_rules! assert_cmu_err {
+    ($left:expr, $right:expr) => {
+        assert_err!(::nitrokey::Error::CommunicationError, $left, $right);
+    };
+}
+
+#[macro_export]
 macro_rules! assert_lib_err {
     ($left:expr, $right:expr) => {
         assert_err!(::nitrokey::Error::LibraryError, $left, $right);