Rename test_fw_version.robot to test_software_manager.robot

This test suite is a software management function, hence renaming.

Resolves openbmc/openbmc-test-automation#956

Change-Id: I5c8aa1f0133b45197c1a7eafe88b3aa3e9b4f3a0
Signed-off-by: Sweta Potthuri <spotthur@in.ibm.com>
diff --git a/tests/test_fw_version.robot b/test_software_manager.robot
similarity index 100%
rename from tests/test_fw_version.robot
rename to test_software_manager.robot