[K/N][tests] Migrate termination runtime tests to new testing infra ^KT-61259

native/native.tests/testData/standalone/termination/unhandledExceptionHookGet.kt

@@ -0,0 +1,19 @@
+// No termination is going on here. But that's the closest location to other unhandled exception hook tests.
+@file:OptIn(kotlin.experimental.ExperimentalNativeApi::class)
+
+import kotlin.test.*
+
+fun main() {
+    val exceptionHook = { _: Throwable -> Unit }
+
+    val oldHook = setUnhandledExceptionHook(exceptionHook)
+    assertNull(oldHook)
+    val hook1 = getUnhandledExceptionHook()
+    assertEquals(exceptionHook, hook1)
+    val hook2 = getUnhandledExceptionHook()
+    assertEquals(exceptionHook, hook2)
+    val hook3 = setUnhandledExceptionHook(null)
+    assertEquals(exceptionHook, hook3)
+    val hook4 = getUnhandledExceptionHook()
+    assertNull(hook4)
+}