Close #13093: PyUnicode_EncodeDecimal() doesn't support error handlers
different than "strict" anymore. The caller was unable to compute the
size of the output buffer: it depends on the error handler.
diff --git a/Lib/test/test_unicode.py b/Lib/test/test_unicode.py
index b20f878..72aae8f 100644
--- a/Lib/test/test_unicode.py
+++ b/Lib/test/test_unicode.py
@@ -1816,20 +1816,10 @@
                          b' 3.14 ')
         self.assertRaises(UnicodeEncodeError,
                           unicode_encodedecimal, "123\u20ac", "strict")
-        self.assertEqual(unicode_encodedecimal("123\u20ac", "replace"),
-                         b'123?')
-        self.assertEqual(unicode_encodedecimal("123\u20ac", "ignore"),
-                         b'123')
-        self.assertEqual(unicode_encodedecimal("123\u20ac", "xmlcharrefreplace"),
-                         b'123€')
-        self.assertEqual(unicode_encodedecimal("123\u20ac", "backslashreplace"),
-                         b'123\\u20ac')
-        self.assertEqual(unicode_encodedecimal("123\u20ac\N{EM SPACE}", "replace"),
-                         b'123? ')
-        self.assertEqual(unicode_encodedecimal("123\u20ac\u20ac", "replace"),
-                         b'123??')
-        self.assertEqual(unicode_encodedecimal("123\u20ac\u0660", "replace"),
-                         b'123?0')
+        self.assertRaisesRegex(
+            ValueError,
+            "^'decimal' codec can't encode character",
+            unicode_encodedecimal, "123\u20ac", "replace")
 
     def test_transform_decimal(self):
         from _testcapi import unicode_transformdecimaltoascii as transform_decimal