test: fix variable redeclarations

I'm a fan of small changesets, but even I'm getting a little annoyed at
me for opening all these PRs weeding out variable redeclarations. So I'm
bundling a bunch of small changes here.

PR-URL: https://github.com/nodejs/node/pull/4992
Reviewed-By: Michaël Zasso <mic.besace@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/test/parallel/test-process-env.js b/test/parallel/test-process-env.js
index 932bae3f8f..b5e62324ac 100644
--- a/test/parallel/test-process-env.js
+++ b/test/parallel/test-process-env.js
@@ -31,12 +31,12 @@ if (process.argv[2] == 'you-are-the-child') {
   assert.equal(42, process.env.NODE_PROCESS_ENV);
   assert.equal('asdf', process.env.hasOwnProperty);
   var hasOwnProperty = Object.prototype.hasOwnProperty;
-  var has = hasOwnProperty.call(process.env, 'hasOwnProperty');
+  const has = hasOwnProperty.call(process.env, 'hasOwnProperty');
   assert.equal(true, has);
   process.exit(0);
 } else {
   assert.equal(Object.prototype.hasOwnProperty, process.env.hasOwnProperty);
-  var has = process.env.hasOwnProperty('hasOwnProperty');
+  const has = process.env.hasOwnProperty('hasOwnProperty');
   assert.equal(false, has);
 
   process.env.hasOwnProperty = 'asdf';