refactor: #2366 Change h2 database usage to in mem (#2776)

* fix: Change h2 database usage to in mem (#2366)

* #2366 Add delay option

layers/src/main/resources/application.properties

@@ -2,7 +2,7 @@
 spring.main.web-application-type=none
 
 #datasource settings
-spring.datasource.url=jdbc:h2:~/databases/cake
+spring.datasource.url=jdbc:h2:mem:databases-cake
 spring.datasource.driverClassName=org.h2.Driver
 spring.datasource.username=sa
 spring.datasource.password=sa