Add failing test for bug involving constructor call order

tests/tests/swfs/avm2/constructors_vs_timeline/A.as

@@ -0,0 +1,16 @@
+package
+{
+  import flash.display.*
+
+  public class A extends MovieClip
+  {
+    function A()
+    {
+      trace("A ctor begins");
+
+      gotoAndStop(1);
+
+      trace("A ctor ends");
+    }
+  }
+}

tests/tests/swfs/avm2/constructors_vs_timeline/B.as

@@ -0,0 +1,12 @@
+package
+{
+  import flash.display.*
+
+  public class B extends Sprite
+  {
+    function B()
+    {
+      trace("B ctor called");
+    } 
+  }
+}

tests/tests/swfs/avm2/constructors_vs_timeline/Main.as

@@ -0,0 +1,12 @@
+package
+{
+    import flash.display.*
+
+    public class Main extends Sprite
+    {
+        function Main()
+        {
+          new Scene()
+        }
+    }
+}

tests/tests/swfs/avm2/constructors_vs_timeline/Scene.as

@@ -0,0 +1,11 @@
+package
+{
+    import flash.display.*
+    import flash.system.*
+    import flash.utils.*
+    import flash.geom.*
+
+    public class Scene extends Sprite
+    {
+    }
+}

tests/tests/swfs/avm2/constructors_vs_timeline/output.txt

@@ -0,0 +1,3 @@
+A ctor begins
+A ctor ends
+B ctor called

tests/tests/swfs/avm2/constructors_vs_timeline/test.toml

@@ -0,0 +1 @@
+num_frames = 1