buffet: rename *_unittest.cc to *_test.cc

This matches the Google style guide and our linter.

BUG=None
TEST=precq passes

Change-Id: If69740a0b4825915ead11d543e6005bf7a231a6a
Reviewed-on: https://chromium-review.googlesource.com/1198062
Commit-Ready: Ben Chan <benchan@chromium.org>
Tested-by: Ben Chan <benchan@chromium.org>
Reviewed-by: Mike Frysinger <vapier@chromium.org>
diff --git a/buffet/buffet.gyp b/buffet/buffet.gyp
index 8131f34..0222754 100644
--- a/buffet/buffet.gyp
+++ b/buffet/buffet.gyp
@@ -1,6 +1,3 @@
-# TODO: Rename these files to pass this check.
-# gyplint: disable=GypLintSourceFileNames
-
 {
   'target_defaults': {
     'variables': {
@@ -100,9 +97,9 @@
           },
           'includes': ['../common-mk/common_test.gypi'],
           'sources': [
-            'buffet_config_unittest.cc',
-            'dbus_command_proxy_unittest.cc',
-            'dbus_conversion_unittest.cc',
+            'buffet_config_test.cc',
+            'dbus_command_proxy_test.cc',
+            'dbus_conversion_test.cc',
           ],
         },
       ],
diff --git a/buffet/buffet_config_unittest.cc b/buffet/buffet_config_test.cc
similarity index 100%
rename from buffet/buffet_config_unittest.cc
rename to buffet/buffet_config_test.cc
diff --git a/buffet/dbus_command_proxy_unittest.cc b/buffet/dbus_command_proxy_test.cc
similarity index 100%
rename from buffet/dbus_command_proxy_unittest.cc
rename to buffet/dbus_command_proxy_test.cc
diff --git a/buffet/dbus_conversion_unittest.cc b/buffet/dbus_conversion_test.cc
similarity index 100%
rename from buffet/dbus_conversion_unittest.cc
rename to buffet/dbus_conversion_test.cc