diff --git a/tests/vty/vty_test.err b/tests/vty/vty_test.err
new file mode 100644
index 0000000..8ad4fd9
--- /dev/null
+++ b/tests/vty/vty_test.err
@@ -0,0 +1,61 @@
+Got VTY event: 2
+Got VTY event: 2
+Got VTY event: 2
+Got VTY event: 2
+Got VTY event: 2
+Got VTY event: 2
+Got VTY event: 2
+Got VTY event: 2
+Got VTY event: 1
+Got VTY event: 3
+Got VTY event: 2
+Got VTY event: 2
+Got VTY event: 2
+Got VTY event: 2
+Got VTY event: 2
+Got VTY event: 2
+Got VTY event: 2
+Got VTY event: 2
+Got VTY event: 1
+Got VTY event: 2
+Got VTY event: 3
+There is no such command.
+Error occurred during reading the below line:
+ level1 b
+
+Inconsistent indentation -- leading whitespace must match adjacent lines, and
+indentation must reflect child node levels. A mix of tabs and spaces is
+allowed, but their sequence must not change within a child block.
+Error occurred during reading the below line:
+ level1 b
+
+Inconsistent indentation -- leading whitespace must match adjacent lines, and
+indentation must reflect child node levels. A mix of tabs and spaces is
+allowed, but their sequence must not change within a child block.
+Error occurred during reading the below line:
+	 	child1 b
+
+Error occurred during reading the below line:
+return-warning
+
+% Ignoring deprecated 'logging level depr (debug|info|notice|error|fatal)'
+Got VTY event: 2
+Got VTY event: 2
+Got VTY event: 2
+Got VTY event: 2
+Got VTY event: 2
+Got VTY event: 2
+Got VTY event: 2
+Got VTY event: 2
+Got VTY event: 1
+Got VTY event: 3
+Got VTY event: 2
+Got VTY event: 2
+Got VTY event: 2
+Got VTY event: 2
+Got VTY event: 2
+Got VTY event: 2
+Got VTY event: 2
+Got VTY event: 2
+Got VTY event: 1
+Got VTY event: 3