rename quantgroup to qg

src/test/java/cn/quantgroup/qaplatform/QaPlatformApplicationTests.java → src/test/java/cn/qg/qaplatform/QaPlatformApplicationTests.java

-package cn.quantgroup.qaplatform;
+package cn.qg.qaplatform;
 
 import org.junit.jupiter.api.Test;
 import org.springframework.boot.test.context.SpringBootTest;