Replaces xrange() with range() for py 2/3 compatibility

This patch replaces xrange() in python 2 to range() to
make it compatible with python 3.

Change-Id: Ic257ff77475a5ea8d2b4f00a00d710e296fc3602
1 file changed
tree: bf10603ea4d51f610ef3b42edc0cf9d4c1c67ca3
  1. manila_tempest_tests/