chore: do not run example test by default

Author: lmiller1990

examples/TodoApp.spec.js

@@ -1,3 +1,8 @@
+/**
+ * This is the example app used in the documentation.
+ * If you want to run it, you will need to build the final bundle with
+ * yarn build. Then you can run this with `yarn test examples`
+ */
 import { mount } from '../dist/vue-test-utils.cjs.js'
 
 import TodoApp from './TodoApp.vue'

package.json

@@ -42,7 +42,7 @@
     "email": "[email protected]"
   },
   "scripts": {
-    "test": "yarn jest --runInBand",
+    "test": "yarn jest --runInBand tests",
     "build": "yarn rollup -c rollup.config.js",
     "lint": "prettier -c --parser typescript \"(src|tests)/**/*.ts?(x)\"",
     "lint:fix": "yarn lint --write"