JAVA

spring h2 database dependency

<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-data-jpa</artifactId>
    <version>2.1.4.RELEASE</version>
</dependency>
<dependency>
    <groupId>com.h2database</groupId>
    <artifactId>h2</artifactId>
    <scope>runtime</scope>
    <version>1.4.199</version>
</dependency>

h2 database spring boot

spring.datasource.url=jdbc:h2:mem:testdb
spring.datasource.driverClassName=org.h2.Driver
spring.datasource.username=sa
spring.datasource.password=password
spring.jpa.database-platform=org.hibernate.dialect.H2Dialect

spring boot integration with h2 database fails

If one of your Test Class works but the remaining 
classes in test suite does not work.
(Fails when running mvn clean install)
Then add the following annotation on every test class.

@AutoConfigureTestDatabase(replace = Replace.ANY)