BC native tests port to Konan's TestRunner

backend.native/tests/runtime/basic/initializers4.kt

@@ -1,7 +1,11 @@
+package runtime.basic.initializers4
+
+import kotlin.test.*
+
 const val INT_MAX_POWER_OF_TWO: Int = Int.MAX_VALUE / 2 + 1
 val DOUBLE = Double.MAX_VALUE - 1.0
 
-fun main(args: Array<String>) {
+@Test fun runTest() {
     println(INT_MAX_POWER_OF_TWO)
     println(DOUBLE > 0.0)
 }