test: iojs cleaned up createReadStream's signature

Author: othiym23

test/publish-again-scoped.js

@@ -16,7 +16,7 @@ var client = common.freshClient()
 tap.test("publish again", function (t) {
   // not really a tarball, but doesn't matter
   var bodyPath = require.resolve("../package.json")
-  var tarball = fs.createReadStream(bodyPath, "base64")
+  var tarball = fs.createReadStream(bodyPath)
   var pd = fs.readFileSync(bodyPath, "base64")
   var pkg = require("../package.json")
   var lastTime = null

test/publish-again.js

@@ -16,7 +16,7 @@ var client = common.freshClient()
 tap.test("publish again", function (t) {
   // not really a tarball, but doesn't matter
   var bodyPath = require.resolve("../package.json")
-  var tarball = fs.createReadStream(bodyPath, "base64")
+  var tarball = fs.createReadStream(bodyPath)
   var pd = fs.readFileSync(bodyPath, "base64")
   var pkg = require("../package.json")
   var lastTime = null

test/publish-failed-no-message.js

@@ -15,7 +15,7 @@ var METADATA  = require("../package.json")
 var ACCESS    = "public"
 // not really a tarball, but doesn't matter
 var BODY_PATH = require.resolve("../package.json")
-var BODY      = createReadStream(BODY_PATH, "base64")
+var BODY      = createReadStream(BODY_PATH)
 var AUTH      = {
   username : USERNAME,
   password : PASSWORD,

test/publish-scoped-auth-token.js

@@ -12,7 +12,7 @@ var client = common.freshClient()
 tap.test("publish", function (t) {
   // not really a tarball, but doesn't matter
   var bodyPath = require.resolve("../package.json")
-  var tarball = fs.createReadStream(bodyPath, "base64")
+  var tarball = fs.createReadStream(bodyPath)
   var pd = fs.readFileSync(bodyPath, "base64")
   var pkg = require("../package.json")
   pkg.name = "@npm/npm-registry-client"

test/publish-scoped.js

@@ -18,7 +18,7 @@ var _auth = new Buffer("username:%1234@asdf%").toString("base64")
 tap.test("publish", function (t) {
   // not really a tarball, but doesn't matter
   var bodyPath = require.resolve("../package.json")
-  var tarball = fs.createReadStream(bodyPath, "base64")
+  var tarball = fs.createReadStream(bodyPath)
   var pd = fs.readFileSync(bodyPath, "base64")
   var pkg = require("../package.json")
   pkg.name = "@npm/npm-registry-client"

test/publish.js

@@ -16,7 +16,7 @@ var METADATA  = require("../package.json")
 var ACCESS    = "public"
 // not really a tarball, but doesn't matter
 var BODY_PATH = require.resolve("../package.json")
-var BODY      = fs.createReadStream(BODY_PATH, "base64")
+var BODY      = fs.createReadStream(BODY_PATH)
 var AUTH      = {
   username : USERNAME,
   password : PASSWORD,