<How can I run Nested Test in kotest?> I'm trying ...

# stackoverflow

[user]

How can I run Nested Test in kotest?
I'm trying to migrate test framework from JUnit 5 to kotest.
I selected Annotation Spec at first (to check compatibility), but Nested Annotation doesn't work as expected
Sample code is below
class Outside : AnnotationSpec() {

@Test
fun runOutside() { }

@Nested
inner class Inside() {
@Test
fun runInside() { }
}
}

runOutside runs well, but runInside doesn't. The error message is java.lang.IllegalArgumentException: object is not an instance of declaring...