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/Makefile.am b/bmc/firmware-handler/test/Makefile.am
index bf818fd..13ed805 100644
--- a/bmc/firmware-handler/test/Makefile.am
+++ b/bmc/firmware-handler/test/Makefile.am
@@ -4,6 +4,7 @@
 	-I$(top_srcdir)/ \
 	-I$(top_srcdir)/tools/ \
 	-I$(top_srcdir)/bmc/ \
+	-I$(top_srcdir)/bmc/test \
 	-I$(top_srcdir)/bmc/firmware-handler \
 	$(GTEST_CFLAGS) \
 	$(GMOCK_CFLAGS) \