Replace const with old var for consistency

Author: kemitchell

tests/unlicensed-subdependency/test.js

@@ -4,7 +4,7 @@ var results = require('../run')(['--ndjson'], __dirname)
 
 tap.equal(results.status, 1)
 
-const output = results.stdout.trim().split('\n').map(line => JSON.parse(line))
+var output = results.stdout.trim().split('\n').map(line => JSON.parse(line))
 
 tap.assert(
   output.some(result => result.name === 'mit-licensed-depends-on-not-licensed' && result.approved === false)