chore(package): update tst to version 5.3.2

Closes #58

Author: greenkeeper[bot]

package.json

@@ -41,7 +41,7 @@
     "pcm-util": "^2.0.2",
     "pcm-volume": "^1.0.0",
     "tape": "^4.6.3",
-    "tst": "^1.1.8",
+    "tst": "^5.3.2",
     "wavefont": "^1.2.1"
   },
   "optionalDependencies": {