Setup routing for FruitDetails + fetch data on route transition + Fix fruit tests

src/store/actions.js

@@ -4,5 +4,9 @@ export default {
   getFruits: async ({ commit }) => {
     const response = await axios.get("http://localhost:3000/fruit");
     commit("setFruits", response.data.data);
+  },
+  getFruit: async ({ commit }, id) => {
+    const response = await axios.get(`http://localhost:3000/fruit/${id}`);
+    commit("setFruit", response.data);
   }
 };