test: tls key/cert ordering not necessary

PR-URL: https://github.com/nodejs/node/pull/9800
Reviewed-By: Roman Reiss <me@silverwind.io>
Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>

test/parallel/test-tls-multi-key.js

@@ -11,8 +11,8 @@ var fs = require('fs');
 
 var options = {
   key: [
+    fs.readFileSync(common.fixturesDir + '/keys/ec-key.pem'),
     fs.readFileSync(common.fixturesDir + '/keys/agent1-key.pem'),
-    fs.readFileSync(common.fixturesDir + '/keys/ec-key.pem')
   ],
   cert: [
     fs.readFileSync(common.fixturesDir + '/keys/agent1-cert.pem'),