tests: Add socket_connect test

tests/tests/swfs/avm2/socket_connect/Test.as

@@ -0,0 +1,24 @@
+package
+{
+    import flash.display.Sprite;
+
+    public class Test extends Sprite
+    {
+    }
+}
+
+import flash.events.Event;
+import flash.net.Socket;
+
+var socket:Socket = new Socket();
+
+socket.addEventListener(Event.CONNECT, function(event:Event):void
+{
+    trace("connected");
+    socket.writeUTF("Hello!");
+    socket.flush();
+    socket.close();
+});
+
+socket.connect("localhost", 8001);
+

tests/tests/swfs/avm2/socket_connect/output.txt

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+connected

tests/tests/swfs/avm2/socket_connect/socket.json

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+[
+  {
+    "type": "Receive",
+    "expected": [
+      0,
+      6,
+      72,
+      101,
+      108,
+      108,
+      111,
+      33
+    ]
+  },
+  {
+    "type": "WaitForDisconnect"
+  }
+]

tests/tests/swfs/avm2/socket_connect/test.toml

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+num_ticks = 10