chore: only test lib

Author: patrickhulce

package.json

@@ -8,7 +8,7 @@
     "build": "node bin/build-entity-json-files.js && generate-export-aliases",
     "fix-entities": "prettier --print-width=100 --write data/entities.json",
     "start": "mkdir -p .tmp && node bin/merge-origins-with-entities.js && node bin/create-markdown.js",
-    "test": "npm run build && jest"
+    "test": "npm run build && jest 'lib/*'"
   },
   "keywords": [
     "third-party",