diff --git a/test/logLevelFilter-test.js b/test/logLevelFilter-test.js
index c0b0498..c976689 100644
--- a/test/logLevelFilter-test.js
+++ b/test/logLevelFilter-test.js
@@ -1,69 +1,78 @@
+"use strict";
 var vows = require('vows')
 , fs = require('fs')
 , assert = require('assert');
 
 function remove(filename) {
-    try {
-        fs.unlinkSync(filename);
-    } catch (e) {
-        //doesn't really matter if it failed
-    }
+  try {
+    fs.unlinkSync(filename);
+  } catch (e) {
+    //doesn't really matter if it failed
+  }
 }
 
 vows.describe('log4js logLevelFilter').addBatch({
-    'appender': {
-        topic: function() {
-            var log4js = require('../lib/log4js'), logEvents = [], logger;
-            log4js.clearAppenders();
-            log4js.addAppender(require('../lib/appenders/logLevelFilter').appender('ERROR', function(evt) { logEvents.push(evt); }), "logLevelTest");
-            logger = log4js.getLogger("logLevelTest");
-            logger.debug('this should not trigger an event');
-            logger.warn('neither should this');
-            logger.error('this should, though');
-            logger.fatal('so should this');
-            return logEvents;
-        },
-        'should only pass log events greater than or equal to its own level' : function(logEvents) {
-            assert.equal(logEvents.length, 2);
-            assert.equal(logEvents[0].data[0], 'this should, though');
-            assert.equal(logEvents[1].data[0], 'so should this');
-        }
+  'appender': {
+    topic: function() {
+      var log4js = require('../lib/log4js'), logEvents = [], logger;
+      log4js.clearAppenders();
+      log4js.addAppender(
+        require('../lib/appenders/logLevelFilter')
+          .appender(
+            'ERROR', 
+            function(evt) { logEvents.push(evt); }
+          ), 
+        "logLevelTest"
+      );
+      
+      logger = log4js.getLogger("logLevelTest");
+      logger.debug('this should not trigger an event');
+      logger.warn('neither should this');
+      logger.error('this should, though');
+      logger.fatal('so should this');
+      return logEvents;
     },
-
-    'configure': {
-        topic: function() {
-            var log4js = require('../lib/log4js')
-          , logger;
-
-            remove(__dirname + '/logLevelFilter.log');
-            remove(__dirname + '/logLevelFilter-warnings.log');
-
-            log4js.configure('test/with-logLevelFilter.json');
-	    logger = log4js.getLogger("tests");
-	    logger.info('main');
-	    logger.error('both');
-	    logger.warn('both');
-	    logger.debug('main');
-            //wait for the file system to catch up
-            setTimeout(this.callback, 100);
-        },
-	'tmp-tests.log': {
-	    topic: function() {
-		fs.readFile(__dirname + '/logLevelFilter.log', 'utf8', this.callback);
-            },
-            'should contain all log messages': function(contents) {
-                var messages = contents.trim().split('\n');
-	        assert.deepEqual(messages, ['main','both','both','main']);
-            }
-        },
-        'tmp-tests-warnings.log': {
-	    topic: function() {
-		fs.readFile(__dirname + '/logLevelFilter-warnings.log','utf8',this.callback);
-            },
-            'should contain only error and warning log messages': function(contents) {
-                var messages = contents.trim().split('\n');
-	        assert.deepEqual(messages, ['both','both']);
-	    }
-        }
+    'should only pass log events greater than or equal to its own level' : function(logEvents) {
+      assert.equal(logEvents.length, 2);
+      assert.equal(logEvents[0].data[0], 'this should, though');
+      assert.equal(logEvents[1].data[0], 'so should this');
     }
+  },
+
+  'configure': {
+    topic: function() {
+      var log4js = require('../lib/log4js')
+      , logger;
+      
+      remove(__dirname + '/logLevelFilter.log');
+      remove(__dirname + '/logLevelFilter-warnings.log');
+      
+      log4js.configure('test/with-logLevelFilter.json');
+      logger = log4js.getLogger("tests");
+      logger.info('main');
+      logger.error('both');
+      logger.warn('both');
+      logger.debug('main');
+      //wait for the file system to catch up
+      setTimeout(this.callback, 100);
+    },
+    'tmp-tests.log': {
+      topic: function() {
+        fs.readFile(__dirname + '/logLevelFilter.log', 'utf8', this.callback);
+      },
+      'should contain all log messages': function(contents) {
+        var messages = contents.trim().split('\n');
+        assert.deepEqual(messages, ['main','both','both','main']);
+      }
+    },
+    'tmp-tests-warnings.log': {
+      topic: function() {
+        fs.readFile(__dirname + '/logLevelFilter-warnings.log','utf8',this.callback);
+      },
+      'should contain only error and warning log messages': function(contents) {
+        var messages = contents.trim().split('\n');
+        assert.deepEqual(messages, ['both','both']);
+      }
+    }
+  }
 }).export(module);