build: enable unit tests as part of build

Enabling the unit tests as part of the pip and debian builds.

Signed-off-by: Ray Kinsella <mdr@ashroe.eu>

Makefile

@@ -8,6 +8,7 @@ WIPE=dist $(VPPCFG).egg-info .pybuild debian/vppcfg debian/vppcfg.*.log
 WIPE+=debian/vppcfg.*.debhelper debian/.debhelper debian/files
 WIPE+=debian/vppcfg.substvars
 WHL_INSTALL=dist/$(VPPCFG)-$(VERSION)-py3-none-any.whl
+TESTS=$(VPPCFG)/tests.py
 
 .PHONY: build
 build:
@@ -29,6 +30,10 @@ pkg-deb:
 check-style:
 	PYTHONPATH=./$(VPPCFG) pylint ./$(VPPCFG)
 
+.PHONY: test
+test:
+	PYTHONPATH=./$(VPPCFG) $(PYTHON) $(TESTS)
+
 .PHONY: uninstall
 uninstall:
 	sudo $(PIP) uninstall $(VPPCFG)