build as part of test run

package.json

@@ -26,14 +26,14 @@
     "url": "https://github.com/CartoDB/quadbin-js.git"
   },
   "scripts": {
-    "clean": "rm -r dist/*",
+    "clean": "rm -rf dist/*",
     "build": "yarn clean && yarn build:cjs && yarn build:esm && yarn build:types && yarn build:umd",
     "build:cjs": "tsc -p tsconfig/tsconfig.cjs.json",
     "build:esm": "tsc -p tsconfig/tsconfig.esm.json",
     "build:types": "tsc -p tsconfig/tsconfig.types.json",
     "build:umd": "webpack --config tsconfig/webpack.config.cjs",
     "lint": "npx prettier --check src",
-    "test": "yarn lint && yarn test-fast",
+    "test": "yarn build && yarn lint && yarn test-fast",
     "test-fast": "npx ts-node node_modules/tape/bin/tape test/**/*.spec.js"
   },
   "browser": {