Migrate to JUnit5 notation

from https://github.com/ProjectMapK/jackson-module-kogera/blob/ecc766d97dc4c2bec574fba7cc6bdeacc2b07c29/src/test/kotlin/io/github/projectmapk/jackson/module/kogera/zPorted/test/github/failing/Github474.kt

Author: k163377

src/test/kotlin/com/fasterxml/jackson/module/kotlin/test/github/failing/Github474.kt

@@ -3,7 +3,6 @@ package com.fasterxml.jackson.module.kotlin.test.github.failing
 import com.fasterxml.jackson.annotation.JsonProperty
 import com.fasterxml.jackson.module.kotlin.jacksonObjectMapper
 import com.fasterxml.jackson.module.kotlin.test.expectFailure
-import org.junit.ComparisonFailure
 import org.junit.jupiter.api.Test
 import kotlin.test.assertEquals
 
@@ -13,7 +12,7 @@ class TestGithub474 {
         open class Parent(@JsonProperty("parent-prop") val parent: String)
         class Child(@JsonProperty("child-prop") val child: String) : Parent(child)
 
-        expectFailure<ComparisonFailure>("GitHub #474 has been fixed!") {
+        expectFailure<AssertionError>("GitHub #474 has been fixed!") {
             assertEquals(
                 """{"child-prop":"foo","parent-prop":"foo"}""",
                 jacksonObjectMapper().writeValueAsString(Child("foo"))