tests: Add test for scopechain resolution order

tests/tests/swfs/avm2/resolve_order/Test.as

@@ -0,0 +1,20 @@
+package {
+	
+	public class Test {
+		public function Test() {
+			
+		}
+	}
+}
+
+this["int"] = "global";
+this["other"] = "global";
+trace(int);
+trace(other);
+
+function test() {
+	trace(int);
+	trace(other);
+}
+
+test();

tests/tests/swfs/avm2/resolve_order/output.txt

@@ -0,0 +1,4 @@
+[class int]
+global
+[class int]
+global

tests/tests/swfs/avm2/resolve_order/test.toml

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