(chore) run test before build

Author: antoine92190

package.json

@@ -34,7 +34,7 @@
 		"clean:lib": "rimraf dist",
 		"build:lib": "vue-cli-service build --target lib --no-clean --name vue-advanced-chat ./src/lib/index.js",
 		"build:wc": "vue-cli-service build --target wc --no-clean --name vue-advanced-chat ./src/lib/ChatWindow.vue",
-		"prepublish": "npm run lint && npm run build",
+		"prepublish": "npm run lint && npm run test && npm run build",
 		"publish-beta": "npm publish --tag beta",
 		"lint": "vue-cli-service lint",
 		"test": "jest",