Update test_module from CPython 3.10.6

Lib/test/ann_module.py

@@ -58,3 +58,5 @@ def dec(func):
     def wrapper(*args, **kwargs):
         return func(*args, **kwargs)
     return wrapper
+
+u: int | float

Lib/test/ann_module4.py

@@ -0,0 +1,5 @@
+# This ann_module isn't for test_typing,
+# it's for test_module
+
+a:int=3
+b:str=4

Lib/test/ann_module7.py

@@ -0,0 +1,11 @@
+# Tests class have ``__text_signature__``
+
+from __future__ import annotations
+
+DEFAULT_BUFFER_SIZE = 8192
+
+class BufferedReader(object):
+    """BufferedReader(raw, buffer_size=DEFAULT_BUFFER_SIZE)\n--\n\n
+    Create a new buffered reader using the given readable raw IO object.
+    """
+    pass