Always load graceful-fs BEFORE tap in tests

This prevents issues where a graceful-fs deep in tap's
dep chain ends up hijacking our test environment variable.

test/chown-er-ok.js

@@ -1,4 +1,3 @@
-var t = require('tap')
 var realFs = require('fs')
 
 var methods = ['chown', 'chownSync', 'chmod', 'chmodSync']
@@ -26,6 +25,7 @@ function makeErr (path, method) {
 }
 
 var fs = require('../')
+var t = require('tap')
 
 var errs = ['ENOSYS', 'EINVAL', 'EPERM']
 t.plan(errs.length * methods.length)

test/close.js

@@ -1,7 +1,7 @@
-var test = require('tap').test
 var fs$close = require('fs').close;
 var fs$closeSync = require('fs').closeSync;
 var fs = require('../');
+var test = require('tap').test
 
 test('`close` is patched correctly', function(t) {
   t.notEqual(fs.close, fs$close, 'patch close');

test/enoent.js

@@ -1,7 +1,6 @@
 // this test makes sure that various things get enoent, instead of
 // some other kind of throw.
 
-var t = require('tap')
 var g = require('../')
 
 var NODE_VERSION_MAJOR_WITH_BIGINT = 10
@@ -27,6 +26,7 @@ function nodeSupportsBigInt () {
   return false
 }
 
+var t = require('tap')
 var file = 'this file does not exist even a little bit'
 var methods = [
   ['open', 'r'],

test/max-open.js

@@ -1,5 +1,5 @@
-var test = require('tap').test
 var fs = require('../')
+var test = require('tap').test
 
 test('open lots of stuff', function (t) {
   // Get around EBADF from libuv by making sure that stderr is opened

test/open.js

@@ -1,5 +1,5 @@
-var test = require('tap').test
 var fs = require('../')
+var test = require('tap').test
 
 test('open an existing file works', function (t) {
   var fd = fs.openSync(__filename, 'r')

test/readdir-options.js

@@ -1,5 +1,5 @@
-var t = require("tap")
 var fs = require("fs")
+var t = require("tap")
 
 var currentTest
 

test/readdir-sort.js

@@ -1,4 +1,3 @@
-var test = require("tap").test
 var fs = require("fs")
 
 var readdir = fs.readdir
@@ -9,6 +8,7 @@ fs.readdir = function(path, cb) {
 }
 
 var g = require("../")
+var test = require("tap").test
 
 test("readdir reorder", function (t) {
   g.readdir("whatevers", function (er, files) {

test/stats-uid-gid.js

@@ -1,7 +1,7 @@
 'use strict';
-var test = require('tap').test
 var util = require('util')
 var fs = require('fs')
+var test = require('tap').test
 
 // mock fs.statSync to return signed uids/gids
 var realStatSync = fs.statSync

test/stats.js

@@ -1,6 +1,6 @@
-var test = require('tap').test
 var fs = require('fs')
 var gfs = require('../graceful-fs.js')
+var test = require('tap').test
 
 test('graceful fs uses same stats constructor as fs', function (t) {
   t.equal(gfs.Stats, fs.Stats, 'should reference the same constructor')