Update Makefile

Makefile

@@ -1,7 +1,9 @@
 PACKAGES := "github.com/hybridgroup/gobot" "github.com/hybridgroup/gobot/api" "github.com/hybridgroup/gobot/platforms/ardrone" "github.com/hybridgroup/gobot/platforms/beaglebone" "github.com/hybridgroup/gobot/platforms/digispark" "github.com/hybridgroup/gobot/platforms/firmata" "github.com/hybridgroup/gobot/platforms/gpio" "github.com/hybridgroup/gobot/platforms/i2c"  "github.com/hybridgroup/gobot/platforms/leap" "github.com/hybridgroup/gobot/platforms/neurosky"  "github.com/hybridgroup/gobot/platforms/pebble" "github.com/hybridgroup/gobot/platforms/spark" "github.com/hybridgroup/gobot/platforms/sphero" "github.com/hybridgroup/gobot/platforms/opencv" "github.com/hybridgroup/gobot/platforms/joystick"
 
 test:
-	go test ./...
+	for package in $(PACKAGES) ; do \
+		go test $$package ; \
+	done ; \
 
 cover:
 	echo "mode: count" > profile.cov ; \