Support clear() (Level/community#79) (closes #136)

Author: vweevers

package.json

@@ -19,7 +19,7 @@
     "prepublishOnly": "npm run dependency-check"
   },
   "dependencies": {
-    "abstract-leveldown": "~6.0.3",
+    "abstract-leveldown": "~6.1.1",
     "napi-macros": "~2.0.0",
     "node-gyp-build": "~4.1.0"
   },

test/common.js

@@ -7,5 +7,8 @@ module.exports = suite.common({
   test: test,
   factory: function () {
     return leveldown(tempy.directory())
-  }
+  },
+
+  // Opt-in to new clear() tests
+  clear: true
 })