Test Filename changes for CT metrics func_area module

The following test filename are changed to:

======================================================================
Old Name                                      New Name
======================================================================

test_boot.robot                              test_boot_devices.robot
test_networkd.robot                          test_network.robot
test_obmcrest.robot                          test_rest_interfaces.robot
test_bootpolicy.robot                        test_boot_policies.robot
test_openbmc_service_restart_policy.robot    test_service_restart_policy.robot
test_warmreset.robot	                     test_warm_reset.robot

Resolve openbmc/openbmc-test-automation#366

Change-Id: I40e9f7c1c331c8452c6d0663db287861499b13f5
Signed-off-by: Sweta Potthuri <spotthur@in.ibm.com>
6 files changed