fix removing duplicates from report

Change-Id: Id463a71107710dd4e7f4df6eb1464e82e8ca9875
Related-prod: PRODX-3456
diff --git a/update_testrail_xml/reporter.py b/update_testrail_xml/reporter.py
index 709e890..36d45d7 100644
--- a/update_testrail_xml/reporter.py
+++ b/update_testrail_xml/reporter.py
@@ -164,6 +164,9 @@
         tree = ET.parse(self.temporary_filename)
         root = tree.getroot()
 
+        if root[0].tag == 'testsuite':
+            root = root[0]
+
         all_cases = []
         for child in root:
             try: