Move blackBoxFile() testData to box/ directory

Delete all test methods (and empty test classes), since they'll be
auto-generated

compiler/testData/codegen/box/objects/kt1136.kt

@@ -0,0 +1,50 @@
+import java.util.ArrayList
+
+public object SomeObject {
+    private val workerThread = object : Thread() {
+        override fun run() {
+            foo()
+        }
+    }
+
+    {
+        workerThread.start()
+    }
+
+    private fun foo() : Unit {
+    }
+}
+
+public class SomeClass() {
+    inner class Inner {
+        val copy = list
+    }
+
+    private val list = ArrayList<String>()
+    var status : Throwable? = null
+    private val workerThread = object : Thread() {
+        public override fun run() {
+            try {
+                list.add("123")
+                list.add("33")
+                Inner().copy.add("444")
+            }
+            catch(t: Throwable) {
+                status = t
+            }
+        }
+    }
+
+    {
+        workerThread.start()
+        workerThread.join()
+    }
+}
+
+public fun box():String {
+    var obj = SomeClass()
+    return if(obj.status == null) "OK" else {
+        obj.status?.printStackTrace()
+        "failed"
+    }
+}