diff --git a/.gitignore b/.gitignore
index 1d9d24f9..d44cf4bf 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,4 +5,5 @@ npm-debug.log
 .idea
 out
 .nyc_output
-test/tmp
+test/**/tmp
+test/functional/database
\ No newline at end of file
diff --git a/package.json b/package.json
index aa7173c9..8cddbf79 100644
--- a/package.json
+++ b/package.json
@@ -5,9 +5,10 @@
   "main": "index.js",
   "scripts": {
     "lint": "standard",
-    "pretest": "npm run lint",
-    "posttest": "npm run coverage",
-    "test:local": "FORCE_COLOR=true DB=sqlite node bin/index.js --local",
+    "pretest": "npm run test:cleanup && npm run lint",
+    "test:cleanup": "rm -rf test/functional/database && rm -rf test/unit/tmp",
+    "posttest": "npm run test:cleanup && npm run coverage",
+    "test:local": "npm run test:cleanup && FORCE_COLOR=true DB=sqlite node bin/index.js --local",
     "test": "nyc npm run test:local",
     "test:win": "set FORCE_COLOR=true && node bin/index.js --win",
     "coverage": "nyc report --reporter=text-lcov | coveralls"