Adjust tests for a last minute Python 3.11 change in the traceback format

See python/cpython#93883
and python/cpython#93994

Author: hroncok

c/test_c.py

@@ -1342,11 +1342,11 @@ def test_callback_exception():
     except ImportError:
         import io as cStringIO    # Python 3
     import linecache
-    def matches(istr, ipattern, ipattern38, ipattern311):
+    def matches(istr, ipattern, ipattern38, ipattern311=None):
         if sys.version_info >= (3, 8):
             ipattern = ipattern38
         if sys.version_info >= (3, 11):
-            ipattern = ipattern311
+            ipattern = ipattern311 or ipattern38
         str, pattern = istr, ipattern
         while '$' in pattern:
             i = pattern.index('$')
@@ -1400,16 +1400,6 @@ def oops(*args):
   File "$", line $, in check_value
     $
 ValueError: 42
-""", """\
-Exception ignored from cffi callback <function$Zcb1 at 0x$>:
-Traceback (most recent call last):
-  File "$", line $, in Zcb1
-    $
-    $
-  File "$", line $, in check_value
-    $
-    $
-ValueError: 42
 """)
         sys.stderr = cStringIO.StringIO()
         bigvalue = 20000
@@ -1424,13 +1414,6 @@ def oops(*args):
   File "$", line $, in test_callback_exception
     $
 OverflowError: integer 60000 does not fit 'short'
-""", """\
-Exception ignored from cffi callback <function$Zcb1 at 0x$>, trying to convert the result back to C:
-Traceback (most recent call last):
-  File "$", line $, in test_callback_exception
-    $
-    $
-OverflowError: integer 60000 does not fit 'short'
 """)
         sys.stderr = cStringIO.StringIO()
         bigvalue = 20000
@@ -1479,19 +1462,6 @@ def oops(*args):
   File "$", line $, in test_callback_exception
     $
 TypeError: $integer$
-""", """\
-Exception ignored from cffi callback <function$Zcb1 at 0x$>, trying to convert the result back to C:
-Traceback (most recent call last):
-  File "$", line $, in test_callback_exception
-    $
-    $
-OverflowError: integer 60000 does not fit 'short'
-Exception ignored during handling of the above exception by 'onerror':
-Traceback (most recent call last):
-  File "$", line $, in test_callback_exception
-    $
-    $
-TypeError: $integer$
 """)
         #
         sys.stderr = cStringIO.StringIO()
@@ -1526,7 +1496,6 @@ def oops(*args):
 Traceback (most recent call last):
   File "$", line $, in test_callback_exception
     $
-    $
 OverflowError: integer 60000 does not fit 'short'
 Exception ignored during handling of the above exception by 'onerror':
 Traceback (most recent call last):