diff --git a/Lib/test/test_xml_etree.py b/Lib/test/test_xml_etree.py
index c8dd344..4788d3a 100644
--- a/Lib/test/test_xml_etree.py
+++ b/Lib/test/test_xml_etree.py
@@ -183,9 +183,8 @@
     <html><body>text</body></html>
     >>> print(ET.tostring(element))
     <html><body>text</body></html>
-    >>> print(ET.tostring(element, "ascii"))
-    <?xml version='1.0' encoding='ascii'?>
-    <html><body>text</body></html>
+    >>> print(repr(ET.tostring(element, "ascii")))
+    b'<?xml version=\'1.0\' encoding=\'ascii\'?>\n<html><body>text</body></html>'
     >>> _, ids = ET.XMLID("<html><body>text</body></html>")
     >>> len(ids)
     0
diff --git a/Lib/test/test_xml_etree_c.py b/Lib/test/test_xml_etree_c.py
index 22d2662..86f1853 100644
--- a/Lib/test/test_xml_etree_c.py
+++ b/Lib/test/test_xml_etree_c.py
@@ -175,9 +175,8 @@
     <html><body>text</body></html>
     >>> print(ET.tostring(element))
     <html><body>text</body></html>
-    >>> print(ET.tostring(element, "ascii"))
-    <?xml version='1.0' encoding='ascii'?>
-    <html><body>text</body></html>
+    >>> print(repr(ET.tostring(element, "ascii")))
+    b'<?xml version=\'1.0\' encoding=\'ascii\'?>\n<html><body>text</body></html>'
     >>> _, ids = ET.XMLID("<html><body>text</body></html>")
     >>> len(ids)
     0