fixup build dev

Author: lobsterkatie

packages/ember/package.json

@@ -28,7 +28,7 @@
     "start": "ember serve",
     "test": "node ./scripts/run_tests.js",
     "test:ember": "ember test",
-    "test:ember-compatibility": "ember try:each",
+    "test:ember-compatibility": "ember try:each"
   },
   "dependencies": {
     "@embroider/macros": "~0.37.0",