chore(vuefire): add types to test

Author: posva

packages/vuefire/package.json

@@ -18,7 +18,7 @@
     "lint": "eslint --color --ext=js,html src test examples",
     "build": "node --eval 'require(\"@posva/vuefire-bundler\")(\"Vuefire\")'",
     "pretest": "npm run lint",
-    "test": "npm run unit",
+    "test": "npm run unit && npm run types",
     "types": "tsc -p ./types/test/tsconfig.json",
     "unit": "jest",
     "dev": "npm run unit -- --watchAll",