and ignore coveralls errors

Author: Swatinem

Makefile

@@ -5,9 +5,7 @@ test: lint
 lint:
 	-./node_modules/.bin/jshint ./test ./index.js
 
-test-coveralls: lint
-	NODE_ENV=test node --harmony ./node_modules/.bin/istanbul cover --report lcovonly \
-		./node_modules/mocha/bin/_mocha && \
-		cat ./coverage/lcov.info | ./node_modules/.bin/coveralls
+test-coveralls: test
+	-cat ./coverage/lcov.info | ./node_modules/.bin/coveralls
 
 .PHONY: test lint test-coveralls