[FAB-3027] Added all target to Makefile

Change-Id: I8cd07aa589e68918dc5591a79e3e974846709e51
Signed-off-by: Divyank Katira <Divyank.Katira@securekey.com>

Author: d1vyank

Makefile

@@ -22,9 +22,12 @@
 # images were created using the make docker command in the respective directories
 #
 # Supported Targets:
+# all : runs unit and integration tests
 # unit-test: runs all the unit tests
 # integration-test: runs all the integration tests
 
+all: unit-test integration-test
+
 unit-test:
 	 sh scripts/unit.sh