test: move shared mocks to common area

Move mocks that can be shared between version and firmware handler tests
to parent directory (bmc/test).

This will eliminate the need to duplicate the definition of testing
mocks.

Signed-off-by: Jason Ling <jasonling@google.com>
Change-Id: Id41c56271d0bfbcb8c18da1f903c7786699508d4
diff --git a/bmc/firmware-handler/test/firmware_handler_unittest.cpp b/bmc/firmware-handler/test/firmware_handler_unittest.cpp
index 1c3cc58..1eeb898 100644
--- a/bmc/firmware-handler/test/firmware_handler_unittest.cpp
+++ b/bmc/firmware-handler/test/firmware_handler_unittest.cpp
@@ -1,7 +1,7 @@
+#include "create_action_map.hpp"
 #include "firmware_handler.hpp"
 #include "flags.hpp"
 #include "image_mock.hpp"
-#include "triggerable_mock.hpp"
 #include "util.hpp"
 
 #include <algorithm>