test: actually test the empty file

Author: joseph-sentry

tests/test_junit.py

@@ -262,6 +262,13 @@ def test_junit(self, filename, expected, check):
                     ],
                 ),
             ),
+            (
+                "./tests/testsuites.xml",
+                ParsingInfo(
+                    None,
+                    [],
+                ),
+            ),
         ],
     )
     def test_junit(self, filename, expected):