refs #5 テストだよ

## レビュー

- [x] @hymd 
- [x] @ilmnb 
- [ ] @kyoshioka
- [ ] @m-aoki-rw  
- [ ] @Narise  
- [ ] @snakagawail 
この方が情熱的ですね
```diff
-echo "hello test by Bob!!\n"
+echo "hello test by Bob!!!!!\n"
```