[K/N][tests] Migrate various runtime/ tests ^KT-61259

native/native.tests/testData/standalone/checkers/leak_worker.kt

@@ -0,0 +1,14 @@
+// EXIT_CODE: !0
+// OUTPUT_REGEX: Unfinished workers detected, 1 workers leaked!.*
+@file:OptIn(kotlin.experimental.ExperimentalNativeApi::class, ExperimentalForeignApi::class)
+import kotlin.native.concurrent.*
+import kotlin.native.Platform
+import kotlinx.cinterop.*
+
+fun main() {
+    Platform.isMemoryLeakCheckerActive = true
+    val worker = Worker.start()
+    // Make sure worker is initialized.
+    worker.execute(TransferMode.SAFE, {}, {}).result;
+    StableRef.create(Any())
+}