Refactored Binding for better concern consideration

src/myfasthtml/test/testclient.py

@@ -1,7 +1,5 @@
-import dataclasses
 import json
 import uuid
-from dataclasses import dataclass
 from typing import Self
 
 from bs4 import BeautifulSoup, Tag
@@ -11,6 +9,7 @@ from starlette.responses import Response
 from starlette.testclient import TestClient
 
 from myfasthtml.core.utils import mount_utils
+from myfasthtml.test.MyFT import MyFT
 
 verbs = {
     'hx_get': 'GET',
@@ -21,14 +20,6 @@ verbs = {
 }
 
 
-@dataclass
-class MyFT:
-  tag: str
-  attrs: dict
-  children: list['MyFT'] = dataclasses.field(default_factory=list)
-  text: str | None = None
-
-
 class TestableElement:
   """
   Represents an HTML element that can be interacted with in tests.