A test that tests the state preservation

Test1.kt

@SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT, classes = [MainApplication::class])
class HelloTests(@Autowired val restTemplate: TestRestTemplate) {

    @Test
    fun `GIVEN springboot in certain state WHEN a restart happens THEN it should preserve the state`(){
        restTemplate.getForObject<String>("/hello") shouldBe "Ok 0"

        restart()
        
        restTemplate.getForObject<String>("/hello") shouldBe "Ok 1"
    }
}