## Before pull request * Execute following commands and make sure you can pass all test cases. ``` sudo wget https://github.com/antirez/redis/archive/3.2.3.tar.gz && tar -xvzf 3.2.3.tar.gz && cd redis-3.2.3 && make && cd src && nohup ./redis-server --port 6380 --requirepass test & sudo wget https://github.com/antirez/redis/archive/3.0.7.tar.gz && tar -xvzf 3.0.7.tar.gz && cd redis-3.0.7 && make && cd src && nohup ./redis-server --port 6379 & sudo mvn clean package ```