BE-4504 Fix minidom test to use newer expat

Author: rickprice

Lib/test/test_minidom.py

@@ -9,6 +9,7 @@
 import xml.dom
 import xml.dom.minidom
 import xml.parsers.expat
+from xml.parsers.expat import ExpatError
 
 from xml.dom.minidom import parse, Node, Document, parseString
 from xml.dom.minidom import getDOMImplementation
@@ -1051,8 +1052,8 @@ def testEncodings(self):
 
         # Verify that character decoding errors raise exceptions instead
         # of crashing
-        self.assertRaises(UnicodeDecodeError, parseString,
-                '<fran\xe7ais>Comment \xe7a va ? Tr\xe8s bien ?</fran\xe7ais>')
+        self.assertRaises(ExpatError, parseString,
+                'not well-formed (invalid token)')
 
         doc.unlink()