Testing repositories

You have the following lines in your application.properties file which is located in the test/resources folder :

spring.jpa.database-platform=org.hibernate.dialect.H2Dialect
spring.datasource.driverClassName=org.h2.Driver
spring.datasource.url=jdbc:h2:file:~/testdb
spring.datasource.username=user
spring.datasource.password=password

Also, you have the following class for repository testing:

@DataJpaTest
@Sql({"/schema.sql", "/data.sql"})
class ApplicationTests {

    @Autowired
    private UserRepository userRepository;

    @Test
    void testDefiningSizeOfTable() {
        List<Product> userList = userRepository.findAll();
        assertEquals(10, userList.size());
    }
}

Which database will be used in this test class?