diff --git a/nbfi/test/parse_fail b/nbfi/test/parse_fail
new file mode 100644
index 0000000..558ed37
--- /dev/null
+++ b/nbfi/test/parse_fail
@@ -0,0 +1 @@
+[
diff --git a/vvm/test/argc_fail b/vvm/test/argc_fail
new file mode 100644
index 0000000..c67780e
--- /dev/null
+++ b/vvm/test/argc_fail
@@ -0,0 +1 @@
+LOAD
diff --git a/vvm/test/command_fail b/vvm/test/command_fail
new file mode 100644
index 0000000..359456b
--- /dev/null
+++ b/vvm/test/command_fail
@@ -0,0 +1 @@
+UNKNOWN