account for differing error messages on different Node versions

test/runtime/samples/each-block-destructured-default-before-initialised/_config.js

@@ -1,3 +1,5 @@
 export default {
-	error: "Cannot access 'c' before initialization"
+	error(assert, err) {
+		assert.ok(err.message === "Cannot access 'c' before initialization" || err.message === 'c is not defined');
+	}
 };