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...