diff --git a/test/configuration-test.js b/test/configuration-test.js
index b1ce9e1..e198de9 100644
--- a/test/configuration-test.js
+++ b/test/configuration-test.js
@@ -1,131 +1,134 @@
-var assert = require('assert'),
-    vows = require('vows'),
-    sandbox = require('sandboxed-module');
+"use strict";
+var assert = require('assert')
+, vows = require('vows')
+, sandbox = require('sandboxed-module');
 
 function makeTestAppender() {
-    return {
-        configure: function(config, options) {
-            this.configureCalled = true;
-            this.config = config;
-            this.options = options;
-            return this.appender();
-        },
-        appender: function() {
-            var self = this;
-            return function(logEvt) { self.logEvt = logEvt; }
-        }
-    };
+  return {
+    configure: function(config, options) {
+      this.configureCalled = true;
+      this.config = config;
+      this.options = options;
+      return this.appender();
+    },
+    appender: function() {
+      var self = this;
+      return function(logEvt) { self.logEvt = logEvt; };
+    }
+  };
 }
 
 vows.describe('log4js configure').addBatch({
-    'appenders': {
-        'when specified by type': {
-            topic: function() {
-                var testAppender = makeTestAppender(),
-                    log4js = sandbox.require(
-                        '../lib/log4js',
-                        {
-                            requires: {
-                                './appenders/cheese': testAppender
-                            }
-                        }
-                    );
-                log4js.configure(
-                    {
-                        appenders: [
-                            { type: "cheese", flavour: "gouda" }
-                        ]
-                    },
-                    { pants: "yes" }
-                );
-                return testAppender;
-            },
-            'should load appender': function(testAppender) {
-                assert.ok(testAppender.configureCalled);
-            },
-            'should pass config to appender': function(testAppender) {
-                assert.equal(testAppender.config.flavour, 'gouda');
-            },
-            'should pass log4js options to appender': function(testAppender) {
-                assert.equal(testAppender.options.pants, 'yes');
+  'appenders': {
+    'when specified by type': {
+      topic: function() {
+        var testAppender = makeTestAppender(),
+        log4js = sandbox.require(
+          '../lib/log4js',
+          {
+            requires: {
+              './appenders/cheese': testAppender
             }
-        },
-        'when core appender loaded via loadAppender': {
-            topic: function() {
-                var testAppender = makeTestAppender(),
-                    log4js = sandbox.require(
-                        '../lib/log4js',
-                        { requires: { './appenders/cheese': testAppender } }
-                    );
-
-                log4js.loadAppender('cheese');
-                return log4js;
-            },
-            'should load appender from ../lib/appenders': function(log4js) {
-                assert.ok(log4js.appenders.cheese);
-            },
-            'should add appender configure function to appenderMakers' : function(log4js) {
-                assert.isFunction(log4js.appenderMakers.cheese);
-            }
-        },
-        'when appender in node_modules loaded via loadAppender': {
-            topic: function() {
-                var testAppender = makeTestAppender(),
-                log4js = sandbox.require(
-                    '../lib/log4js',
-                    { requires: { 'some/other/external': testAppender } }
-                );
-                log4js.loadAppender('some/other/external');
-                return log4js;
-            },
-            'should load appender via require': function(log4js) {
-                assert.ok(log4js.appenders['some/other/external']);
-            },
-            'should add appender configure function to appenderMakers': function(log4js) {
-                assert.isFunction(log4js.appenderMakers['some/other/external']);
-            }
-        },
-        'when configuration file loaded via LOG4JS_CONFIG environment variable': {
-          topic: function() {
-            process.env.LOG4JS_CONFIG = 'some/path/to/mylog4js.json';
-            var fileRead = 0,
-            modulePath = 'some/path/to/mylog4js.json',
-            pathsChecked = [],
-            mtime = new Date(),
-            fakeFS = {
-                config: { appenders: [ { type: 'console', layout: { type: 'messagePassThrough' } } ],
-                          levels: { 'a-test' : 'INFO' } },
-                readdirSync: function(dir) {
-                    return require('fs').readdirSync(dir);
-                },
-                readFileSync: function (file, encoding) {
-                    fileRead += 1;
-                    assert.isString(file);
-                    assert.equal(file, modulePath);
-                    assert.equal(encoding, 'utf8');
-                    return JSON.stringify(fakeFS.config);
-                },
-                statSync: function (path) {
-                    pathsChecked.push(path);
-                    if (path === modulePath) {
-                        return { mtime: mtime };
-                    } else {
-                        throw new Error("no such file");
-                    }
-                }
-            },
-            log4js = sandbox.require('../lib/log4js',
-                                     {
-                                       requires: {
-                                         'fs': fakeFS,
-                                       }
-                                     });
-            delete process.env.LOG4JS_CONFIG;
-            return fileRead;
-          },
-          'should load the specified local configuration file' : function(fileRead) {
-            assert.equal(fileRead, 1);
           }
-        }
+        );
+        log4js.configure(
+          {
+            appenders: [
+              { type: "cheese", flavour: "gouda" }
+            ]
+          },
+          { pants: "yes" }
+        );
+        return testAppender;
+      },
+      'should load appender': function(testAppender) {
+        assert.ok(testAppender.configureCalled);
+      },
+      'should pass config to appender': function(testAppender) {
+        assert.equal(testAppender.config.flavour, 'gouda');
+      },
+      'should pass log4js options to appender': function(testAppender) {
+        assert.equal(testAppender.options.pants, 'yes');
+      }
+    },
+    'when core appender loaded via loadAppender': {
+      topic: function() {
+        var testAppender = makeTestAppender(),
+        log4js = sandbox.require(
+          '../lib/log4js',
+          { requires: { './appenders/cheese': testAppender } }
+        );
+        
+        log4js.loadAppender('cheese');
+        return log4js;
+      },
+      'should load appender from ../lib/appenders': function(log4js) {
+        assert.ok(log4js.appenders.cheese);
+      },
+      'should add appender configure function to appenderMakers' : function(log4js) {
+        assert.isFunction(log4js.appenderMakers.cheese);
+      }
+    },
+    'when appender in node_modules loaded via loadAppender': {
+      topic: function() {
+        var testAppender = makeTestAppender(),
+        log4js = sandbox.require(
+          '../lib/log4js',
+          { requires: { 'some/other/external': testAppender } }
+        );
+        log4js.loadAppender('some/other/external');
+        return log4js;
+      },
+      'should load appender via require': function(log4js) {
+        assert.ok(log4js.appenders['some/other/external']);
+      },
+      'should add appender configure function to appenderMakers': function(log4js) {
+        assert.isFunction(log4js.appenderMakers['some/other/external']);
+      }
+    },
+    'when configuration file loaded via LOG4JS_CONFIG environment variable': {
+      topic: function() {
+        process.env.LOG4JS_CONFIG = 'some/path/to/mylog4js.json';
+        var fileRead = 0,
+        modulePath = 'some/path/to/mylog4js.json',
+        pathsChecked = [],
+        mtime = new Date(),
+        fakeFS = {
+          config: { appenders: [ { type: 'console', layout: { type: 'messagePassThrough' } } ],
+                    levels: { 'a-test' : 'INFO' } },
+          readdirSync: function(dir) {
+            return require('fs').readdirSync(dir);
+          },
+          readFileSync: function (file, encoding) {
+            fileRead += 1;
+            assert.isString(file);
+            assert.equal(file, modulePath);
+            assert.equal(encoding, 'utf8');
+            return JSON.stringify(fakeFS.config);
+          },
+          statSync: function (path) {
+            pathsChecked.push(path);
+            if (path === modulePath) {
+              return { mtime: mtime };
+            } else {
+              throw new Error("no such file");
+            }
+          }
+        },
+        log4js = sandbox.require(
+          '../lib/log4js',
+          {
+            requires: {
+              'fs': fakeFS,
+            }
+          }
+        );
+        delete process.env.LOG4JS_CONFIG;
+        return fileRead;
+      },
+      'should load the specified local configuration file' : function(fileRead) {
+        assert.equal(fileRead, 1);
+      }
     }
+  }
 }).exportTo(module);