interface TestInterface{
        fun isValid(): Boolean
    }
    class TestClass: TestInterface{
        override fun isValid(): Boolean {
            return true
        }
    }
    @Test
    fun `serialize`(){
        val test = TestClass()
        val actual = jacksonObjectMapper().writeValueAsString(test)
        assertThat(actual).isEqualTo("{\"valid\":true}")
    }

interface TestInterface{
        fun isValid(): Boolean
    }
    class TestClass: TestInterface{
        override fun isValid(): Boolean {
            return true
        }
    }
    @Test
    fun `serialize`(){
        val test = TestClass()
        val actual = jacksonObjectMapper().writeValueAsString(test)
        assertThat(actual).isEqualTo("{\"isValid\":true}")
    }