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

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

@@ -0,0 +1,18 @@
+// No termination is going on here. But that's the closest location to other unhandled exception hook tests.
+// OUTPUT_DATA_FILE: unhandledExceptionHookWithProcess.out
+@file:OptIn(kotlin.experimental.ExperimentalNativeApi::class)
+
+import kotlin.concurrent.AtomicInt
+import kotlin.test.*
+
+fun main() {
+    val exception = Error("an error")
+    val called = AtomicInt(0)
+    setUnhandledExceptionHook {
+        assertSame(exception, it)
+        called.value = 1
+    }
+
+    processUnhandledException(exception)
+    assertEquals(1, called.value)
+}