add test

e2etests/todo_test.go

@@ -159,6 +159,15 @@ small code: |go
 	width: 4
 	height: 3
 }
+`,
+		},
+		{
+			skip: true,
+			name: "steps_panic",
+			script: `steps: {
+  shape: sql_table
+  id: {type: int, constraint: primary_key}
+}
 `,
 		},
 		{