Add gtests

Added gtests for getVersion() and getId()

Resolves openbmc/openbmc#1276.

Change-Id: I10a824ae3da426e901defc34fa7f3c6c6a8496d3
Signed-off-by: Gunnar Mills <gmills@us.ibm.com>
diff --git a/Makefile.am b/Makefile.am
index 9cd2046..38ef2ad 100755
--- a/Makefile.am
+++ b/Makefile.am
@@ -21,10 +21,13 @@
 	$(SYSTEMD_LIBS) \
 	$(PHOSPHOR_DBUS_INTERFACES_LIBS) \
 	$(SDBUSPLUS_LIBS) \
-	$(PHOSPHOR_LOGGING_LIBS)
+	$(PHOSPHOR_LOGGING_LIBS) \
+	-lstdc++fs
 
 openpower_version_host_software_manager_CXXFLAGS = $(generic_cxxflags)
 openpower_version_host_software_manager_LDFLAGS = $(generic_ldflags)
 openpower_update_manager_CXXFLAGS = $(generic_cxxflags)
 openpower_update_manager_LDFLAGS = $(generic_ldflags)
 
+SUBDIRS = test
+