add test to fail on latest node version

Author: theinterned

tests/fail-latest.js

@@ -0,0 +1,8 @@
+/* globals describe, it*/
+const assert = require('assert')
+
+describe('node version', () => {
+  it('is not latest', () => {
+    assert.ok(process.version < 'v19.0.0')
+  })
+})