renamed new as3 test swfs to have as3 prefix and unique SWF name

libsrc/ffdec_lib/testdata/as3_new/src/tests/TestStringConcat.as

@@ -0,0 +1,19 @@
+package tests
+{
+	
+	public class TestStringConcat
+	{
+		public function run():*
+		{
+			var k:int = 8;
+			this.traceIt("hello" + 5 * 6);
+			this.traceIt("hello" + (k - 1));
+			this.traceIt("hello" + 5 + 6);
+		}
+		
+		private function traceIt(s:String) : void
+		{
+			trace(s);
+		}
+	}
+}