Add integration test using Cockpit test API

Closes #16

Makefile

@@ -1,4 +1,9 @@
 PACKAGE_NAME := $(shell python3 -c "import json; print(json.load(open('package.json'))['name'])")
+ifeq ($(TEST_OS),)
+TEST_OS = centos-7
+endif
+export TEST_OS
+VM_IMAGE=$(CURDIR)/test/images/$(TEST_OS)
 
 all: node_modules/react-lite
 	NODE_ENV=$(NODE_ENV) npm run build
@@ -41,7 +46,28 @@ rpm: dist-gzip
 	rm -r "`pwd`/rpmbuild"
 	rm -r "`pwd`/output" "`pwd`/build"
 
+# build a VM with locally built cockpit-starter-kit.rpm installed
+$(VM_IMAGE): rpm bots
+	bots/image-customize -v -r 'rpm -e cockpit-starter-kit || true' -i cockpit -i `pwd`/cockpit-starter-kit-*.noarch.rpm -s $(CURDIR)/test/vm.install $(TEST_OS)
+
+# run the browser integration tests; skip check for SELinux denials
+check: node_modules/react-lite $(VM_IMAGE) test/common
+	TEST_AUDIT_NO_SELINUX=1 test/check-starter-kit
+
+# checkout Cockpit's bots/ directory for standard test VM images and API to launch them
+bots:
+	git fetch --depth=1 https://github.com/cockpit-project/cockpit.git
+	git checkout --force FETCH_HEAD -- bots/
+	git reset bots
+
+# checkout Cockpit's test API
+test/common:
+	# when running in CI, update FETCH_HEAD to cockpit repo
+	if git remote | grep -qF test; then git fetch origin master; fi
+	git checkout --force FETCH_HEAD -- test/common
+	git reset test/common
+
 node_modules/react-lite:
 	npm install
 
-.PHONY: all clean install install-only dist-gzip srpm rpm
+.PHONY: all clean install install-only dist-gzip srpm rpm check