Update Lib/test/test_xml_etree.py

Author: serhiy-storchaka

Lib/test/test_xml_etree.py

@@ -1434,8 +1434,8 @@ def test_simple_xml_chunk_1(self):
     def test_simple_xml_chunk_5(self):
         self.test_simple_xml(chunk_size=5)
 
-    def test_simple_xml_chunk_8(self):
-        self.test_simple_xml(chunk_size=8)
+    def test_simple_xml_chunk_22(self):
+        self.test_simple_xml(chunk_size=22)
 
     def test_feed_while_iterating(self):
         parser = ET.XMLPullParser()