repro: add shim-like object to test package to fail tests

Author: gilest

test-packages/01-basic-app/app/models/shim.js

@@ -0,0 +1,10 @@
+// Mimics the static apis of ShimModelClass from ember-data
+export default class Shim {
+  fields;
+  attributes;
+  relationshipsByName;
+
+  eachAttribute() {}
+  eachRelationship() {}
+  eachTransformedAttribute() {}
+}