Re-enable integration tests

Author: spadgett

Makefile

@@ -44,7 +44,5 @@ build: install
 test: build
 	hack/verify-dist.sh
 	hack/test-headless.sh test $(GRUNT_FLAGS)
-	# Run the integration tests, but don't fail on test failures.
-	# Temporary until we are able to upgrade protractor.
-	-hack/test-headless.sh test-integration $(GRUNT_FLAGS)
+	hack/test-headless.sh test-integration $(GRUNT_FLAGS)
 .PHONY: test