更改enroll命名,添加了注释,向get_error_msg中添加了一些错误代码

venv/Lib/site-packages/setuptools/command/test.py

@@ -16,11 +16,10 @@ from pkg_resources import (
     evaluate_marker,
     add_activation_listener,
     require,
+    EntryPoint,
 )
-from .._importlib import metadata
 from setuptools import Command
 from setuptools.extern.more_itertools import unique_everseen
-from setuptools.extern.jaraco.functools import pass_none
 
 
 class ScanningLoader(TestLoader):
@@ -242,10 +241,12 @@ class test(Command):
         return ['unittest'] + self.test_args
 
     @staticmethod
-    @pass_none
     def _resolve_as_ep(val):
         """
         Load the indicated attribute value, called, as a as if it were
         specified as an entry point.
         """
-        return metadata.EntryPoint(value=val, name=None, group=None).load()()
+        if val is None:
+            return
+        parsed = EntryPoint.parse("x=" + val)
+        return parsed.resolve()()