chore: add h2 for test

Author: phodal

src/test/resources/application.properties

@@ -0,0 +1,11 @@
+# ??H2?????????
+spring.datasource.url=jdbc:h2:mem:testdb;DB_CLOSE_DELAY=-1;DB_CLOSE_ON_EXIT=FALSE
+spring.datasource.driver-class-name=org.h2.Driver
+spring.datasource.username=sa
+spring.datasource.password=
+spring.jpa.database-platform=org.hibernate.dialect.H2Dialect
+spring.jpa.hibernate.ddl-auto=create-drop
+
+# ??Flyway/Liquibase????????(???)
+spring.flyway.enabled=false
+spring.liquibase.enabled=false