Simplify npm scripts

package.json

@@ -82,16 +82,10 @@
     "pretest:setup": "npm run lint",
     "test:setup": "NODE_ENV=test node test setup",
     "pretest": "npm run test:setup",
-    "test": "npm run test:all",
-    "test:all": "npm run test:unit && npm run test:integration && npm run test:acceptance",
-    "test:acceptance": "NODE_ENV=test mocha -t 5000 --exit --recursive test/acceptance",
-    "test:integration": "NODE_ENV=test mocha --exit --recursive test/integration",
-    "test:unit": "NODE_ENV=test mocha --exit --recursive test/unit",
+    "test": "NODE_ENV=test mocha -t 5000 --exit --recursive test/acceptance test/integration test/unit",
     "posttest": "npm run test:teardown",
     "test:teardown": "NODE_ENV=test node test teardown",
-    "precover": "npm run test:setup",
-    "cover": "NODE_ENV=test nyc --reporter=lcov npm run test:all",
-    "postcover": "npm run test:teardown",
+    "cover": "nyc --reporter=lcov npm test",
     "test:docker": "docker run -e \"NODEJS_VERSION=$NODE_VERSION\" -v `pwd`:/srv $DOCKER_IMAGE bash docker/scripts/test-setup.sh && docker ps --filter status=dead --filter status=exited -aq | xargs docker rm -v",
     "docker:bash": "docker run -it -v `pwd`:/srv $DOCKER_IMAGE bash"
   },