test_xml_etree.py: Fix for Expat >=2.6.0 with reparse deferral

Fix etree XMLPullParser tests for Expat >=2.6.0 with reparse deferral

Fixes: gh#python#115133
From-PR: gh#python/cpython!115138
Patch: expat-260-test_xml_etree-reparse-deferral.patch

Author: hartwork

Lib/test/test_xml_etree.py

@@ -1047,6 +1047,7 @@ def assert_event_tags(self, parser, expected):
     def test_simple_xml(self):
         for chunk_size in (None, 1, 5):
             with self.subTest(chunk_size=chunk_size):
+                expected_events = []
                 parser = ET.XMLPullParser()
                 self.assert_event_tags(parser, [])
                 self._feed(parser, "<!-- comment -->\n", chunk_size)
@@ -1056,16 +1057,17 @@ def test_simple_xml(self):
                            chunk_size)
                 self.assert_event_tags(parser, [])
                 self._feed(parser, ">\n", chunk_size)
-                self.assert_event_tags(parser, [('end', 'element')])
+                expected_events += [('end', 'element')]
                 self._feed(parser, "<element>text</element>tail\n", chunk_size)
                 self._feed(parser, "<empty-element/>\n", chunk_size)
-                self.assert_event_tags(parser, [
+                expected_events += [
                     ('end', 'element'),
                     ('end', 'empty-element'),
-                    ])
+                    ]
                 self._feed(parser, "</root>\n", chunk_size)
-                self.assert_event_tags(parser, [('end', 'root')])
+                expected_events += [('end', 'root')]
                 self.assertIsNone(parser.close())
+                self.assert_event_tags(parser, expected_events)
 
     def test_feed_while_iterating(self):
         parser = ET.XMLPullParser()

Misc/NEWS.d/next/Tests/2024-02-07-15-49-37.gh-issue-115133.WBajNr.rst

@@ -0,0 +1 @@
+Fix etree XMLPullParser tests for Expat >=2.6.0 with reparse deferral