chore(package): update level-test to version 7.1.0

Closes #101

Author: greenkeeper[bot]

package.json

@@ -26,7 +26,7 @@
     "hallmark": "^0.1.0",
     "level-community": "^3.0.0",
     "level-concat-iterator": "^2.0.0",
-    "level-test": "^6.0.0",
+    "level-test": "^7.1.0",
     "nyc": "^14.0.0",
     "slump": "^3.0.0",
     "standard": "^12.0.0",