Merge branch '4560-pytest-junit-xml-compat-9.18' into 'bind-9.18'

[9.18] Support older junit XML format in test result processing

See merge request isc-projects/bind9!8709

CHANGES

@@ -1,3 +1,7 @@
+6340.	[test]		Fix incorrectly reported errors when running tests
+			with `make test` on platforms with older pytest.
+			[GL #4560]
+
 6338.	[func]		Optimize slabheader placement, so the infrastructure
 			records are put in the beginning of the slabheader
 			linked list. [GL !8675]

bin/tests/system/convert-junit-to-trs.py

@@ -13,7 +13,7 @@ from xml.etree import ElementTree
 
 def junit_to_trs(junit_xml):
     root = ElementTree.fromstring(junit_xml)
-    testcases = root.findall("./testsuite/testcase")
+    testcases = root.findall(".//testcase")
 
     if len(testcases) < 1:
         print(":test-result: ERROR convert-junit-to-trs.py")