diff --git a/contrib/testsuite-management/validate_failures.py b/contrib/testsuite-management/validate_failures.py
index 7844cb0..280fd23 100755
--- a/contrib/testsuite-management/validate_failures.py
+++ b/contrib/testsuite-management/validate_failures.py
@@ -194,11 +194,8 @@ def IsInterestingResult(line):
     return False
   if '|' in line:
     (_, line) = line.split('|', 1)
-  line = line.strip()
-  for result in _VALID_TEST_RESULTS:
-    if line.startswith(result):
-      return True
-  return False
+    line = line.strip()
+  return any(line.startswith(result) for result in _VALID_TEST_RESULTS)
 
 
 def ParseSummary(sum_fname):
@@ -240,8 +237,9 @@ def GetManifest(manifest_path):
 def CollectSumFiles(builddir):
   sum_files = []
   for root, dirs, files in os.walk(builddir):
-    if '.svn' in dirs:
-      dirs.remove('.svn')
+    for ignored in ('.svn', '.git'):
+      if ignored in dirs:
+        dirs.remove(ignored)
     for fname in files:
       if fname.endswith('.sum'):
         sum_files.append(os.path.join(root, fname))