BC native tests port to Konan's TestRunner

backend.native/tests/runtime/workers/worker0.kt

@@ -1,6 +1,10 @@
+package runtime.workers.worker0
+
+import kotlin.test.*
+
 import konan.worker.*
 
-fun main(args: Array<String>) {
+@Test fun runTest() {
     val worker = startWorker()
     val future = worker.schedule(TransferMode.CHECKED, { "Input".shallowCopy()}) {
         input -> input + " processed"

backend.native/tests/runtime/workers/worker1.kt

@@ -1,6 +1,10 @@
+package runtime.workers.worker1
+
+import kotlin.test.*
+
 import konan.worker.*
 
-fun main(args: Array<String>) {
+@Test fun runTest() {
     val COUNT = 5
     val workers = Array(COUNT, { _ -> startWorker()})
 

backend.native/tests/runtime/workers/worker2.kt

@@ -1,9 +1,13 @@
+package runtime.workers.worker2
+
+import kotlin.test.*
+
 import konan.worker.*
 
 data class WorkerArgument(val intParam: Int, val stringParam: String)
 data class WorkerResult(val intResult: Int, val stringResult: String)
 
-fun main(args: Array<String>) {
+@Test fun runTest() {
     val COUNT = 5
     val workers = Array(COUNT, { _ -> startWorker()})
 

backend.native/tests/runtime/workers/worker3.kt

@@ -1,8 +1,16 @@
+package runtime.workers.worker3
+
+import kotlin.test.*
+
 import konan.worker.*
 
 data class WorkerArgument(val intParam: Int, val stringParam: String)
 data class WorkerResult(val intResult: Int, val stringResult: String)
 
+@Test fun runTest() {
+    main(emptyArray())
+}
+
 fun main(args: Array<String>) {
     val worker = startWorker()
     val s = "zzz${args.size.toString()}"