Enable gtest and write testcases for Integrity & Conf algorithms

Resolves openbmc/openbmc#870
Resolves openbmc/openbmc#447

Change-Id: Idfeaf7b0c458faefc0e825419539f9500ee3ae8c
Signed-off-by: Tom Joseph <tomjoseph@in.ibm.com>
diff --git a/Makefile.am b/Makefile.am
index f4d7856..fbd2116 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -45,3 +45,5 @@
 netipmid_LDFLAGS = $(SYSTEMD_LIBS) $(CRYPTO_LIBS) $(libmapper_LIBS) $(LIBADD_DLOPEN) -export-dynamic
 netipmid_CXXFLAGS = $(SYSTEMD_CFLAGS) $(libmapper_CFLAGS)
 
+SUBDIRS = test
+