diff --git a/tests/lib/ippool_test.err b/tests/lib/ippool_test.err
new file mode 100644
index 0000000..7dc5371
--- /dev/null
+++ b/tests/lib/ippool_test.err
@@ -0,0 +1,10 @@
+No more IP addresses available
+No more IP addresses available
+No more IP addresses available
+No more IP addresses available
+No more IP addresses available
+No more IP addresses available
+No more IP addresses available
+No more IP addresses available
+No more IP addresses available
+No more IP addresses available