fix unittest's create_pseudo_random_file: do return file name as docu says

author of that module seems to never have heard of the tempfile module in
python stdlib!

diff --git a/testing/create_pseudo_random_files.py b/testing/create_pseudo_random_files.py
index 1d7d8d5..75e1af8 100755 (executable)
--- a/testing/create_pseudo_random_files.py
+++ b/testing/create_pseudo_random_files.py
@@ -64,8 +64,9 @@ def create_file(path, size):
     if not os.path.exists(new_file):
         with open(new_file, 'w') as f:
             f.write(create_rand_cad(size))
+        return new_file
     else:
-        create_file(path, size)
+        return create_file(path, size)
 
 
 def generate_list_sizes(nfile, size, distribute_size):