formatting: bulk remove trailing whitespaces on frontend tests

This is a followup on 312c72c364, which did the same on the main code base,
and is preliminary work for tidying up John's changes in the following commits.

No functional changes.

Command:
    find tests/frontend -name '*.js' -type f -print0 | xargs -0 sed --in-place 's/[[:space:]]*$//'

tests/frontend/lib/expect.js

@@ -65,7 +65,7 @@
 
         var name = $flags[i]
           , assertion = new Assertion(this.obj, name, this)
-  
+
         if ('function' == typeof Assertion.prototype[name]) {
           // clone the function, make sure we dont touch the prot reference
           var old = this[name];
@@ -148,7 +148,7 @@
     if ('object' == typeof fn && not) {
       // in the presence of a matcher, ensure the `not` only applies to
       // the matching.
-      this.flags.not = false; 
+      this.flags.not = false;
     }
 
     var name = this.obj.name || 'fn';
@@ -219,7 +219,7 @@
   };
 
   /**
-   * Assert within start to finish (inclusive). 
+   * Assert within start to finish (inclusive).
    *
    * @param {Number} start
    * @param {Number} finish
@@ -298,7 +298,7 @@
       , function(){ return 'expected ' + i(this.obj) + ' to be above ' + n });
     return this;
   };
-  
+
   /**
    * Assert string value matches _regexp_.
    *
@@ -359,13 +359,13 @@
       } catch (e) {
         hasProp = undefined !== this.obj[name]
       }
-      
+
       this.assert(
           hasProp
         , function(){ return 'expected ' + i(this.obj) + ' to have a property ' + i(name) }
         , function(){ return 'expected ' + i(this.obj) + ' to not have a property ' + i(name) });
     }
-    
+
     if (undefined !== val) {
       this.assert(
           val === this.obj[name]
@@ -537,7 +537,7 @@
       return html;
     }
   };
-  
+
   // Returns true if object is a DOM element.
   var isDOMElement = function (object) {
     if (typeof HTMLElement === 'object') {
@@ -843,9 +843,9 @@
 
   expect.eql = function eql (actual, expected) {
     // 7.1. All identical values are equivalent, as determined by ===.
-    if (actual === expected) { 
+    if (actual === expected) {
       return true;
-    } else if ('undefined' != typeof Buffer 
+    } else if ('undefined' != typeof Buffer
         && Buffer.isBuffer(actual) && Buffer.isBuffer(expected)) {
       if (actual.length != expected.length) return false;
 

tests/frontend/lib/mocha.js

@@ -32,11 +32,11 @@ require.register = function (path, fn){
 require.relative = function (parent) {
     return function(p){
       if ('.' != p.charAt(0)) return require(p);
-      
+
       var path = parent.split('/')
         , segs = p.split('/');
       path.pop();
-      
+
       for (var i = 0; i < segs.length; i++) {
         var seg = segs[i];
         if ('..' == seg) path.pop();
@@ -52,7 +52,7 @@ require.register("browser/debug.js", function(module, exports, require){
 
 module.exports = function(type){
   return function(){
-    
+
   }
 };
 }); // module: browser/debug.js
@@ -530,7 +530,7 @@ var Suite = require('../suite')
 
 /**
  * BDD-style interface:
- * 
+ *
  *      describe('Array', function(){
  *        describe('#indexOf()', function(){
  *          it('should return -1 when not present', function(){
@@ -542,7 +542,7 @@ var Suite = require('../suite')
  *          });
  *        });
  *      });
- * 
+ *
  */
 
 module.exports = function(suite){
@@ -587,7 +587,7 @@ module.exports = function(suite){
      * and callback `fn` containing nested suites
      * and/or tests.
      */
-  
+
     context.describe = context.context = function(title, fn){
       var suite = Suite.create(suites[0], title);
       suites.unshift(suite);
@@ -667,19 +667,19 @@ var Suite = require('../suite')
 
 /**
  * TDD-style interface:
- * 
+ *
  *     exports.Array = {
  *       '#indexOf()': {
  *         'should return -1 when the value is not present': function(){
- *           
+ *
  *         },
  *
  *         'should return the correct index when the value is present': function(){
- *           
+ *
  *         }
  *       }
  *     };
- * 
+ *
  */
 
 module.exports = function(suite){
@@ -739,27 +739,27 @@ var Suite = require('../suite')
 
 /**
  * QUnit-style interface:
- * 
+ *
  *     suite('Array');
- *     
+ *
  *     test('#length', function(){
  *       var arr = [1,2,3];
  *       ok(arr.length == 3);
  *     });
- *     
+ *
  *     test('#indexOf()', function(){
  *       var arr = [1,2,3];
  *       ok(arr.indexOf(1) == 0);
  *       ok(arr.indexOf(2) == 1);
  *       ok(arr.indexOf(3) == 2);
  *     });
- *     
+ *
  *     suite('String');
- *     
+ *
  *     test('#length', function(){
  *       ok('foo'.length == 3);
  *     });
- * 
+ *
  */
 
 module.exports = function(suite){
@@ -802,7 +802,7 @@ module.exports = function(suite){
     /**
      * Describe a "suite" with the given `title`.
      */
-  
+
     context.suite = function(title){
       if (suites.length > 1) suites.shift();
       var suite = Suite.create(suites[0], title);
@@ -840,7 +840,7 @@ var Suite = require('../suite')
  *          suiteSetup(function(){
  *
  *          });
- *          
+ *
  *          test('should return -1 when not present', function(){
  *
  *          });
@@ -2689,7 +2689,7 @@ exports = module.exports = Min;
 
 function Min(runner) {
   Base.call(this, runner);
-  
+
   runner.on('start', function(){
     // clear screen
     process.stdout.write('\u001b[2J');
@@ -3337,7 +3337,7 @@ function XUnit(runner) {
   runner.on('pass', function(test){
     tests.push(test);
   });
-  
+
   runner.on('fail', function(test){
     tests.push(test);
   });
@@ -3354,7 +3354,7 @@ function XUnit(runner) {
     }, false));
 
     tests.forEach(test);
-    console.log('</testsuite>');    
+    console.log('</testsuite>');
   });
 }
 
@@ -3615,7 +3615,7 @@ Runnable.prototype.run = function(fn){
     }
     return;
   }
-  
+
   // sync
   try {
     if (!this.pending) this.fn.call(ctx);
@@ -4536,7 +4536,7 @@ exports.indexOf = function(arr, obj, start){
 
 /**
  * Array#reduce (<=IE8)
- * 
+ *
  * @param {Array} array
  * @param {Function} fn
  * @param {Object} initial value

tests/frontend/lib/sendkeys.js

@@ -305,11 +305,11 @@ var     START_TO_END                   = 1;
 var     END_TO_END                     = 2;
 var     END_TO_START                   = 3;
 // from the Mozilla documentation, for range.compareBoundaryPoints(how, sourceRange)
-// -1, 0, or 1, indicating whether the corresponding boundary-point of range is respectively before, equal to, or after the corresponding boundary-point of sourceRange. 
+// -1, 0, or 1, indicating whether the corresponding boundary-point of range is respectively before, equal to, or after the corresponding boundary-point of sourceRange.
     // * Range.END_TO_END compares the end boundary-point of sourceRange to the end boundary-point of range.
     // * Range.END_TO_START compares the end boundary-point of sourceRange to the start boundary-point of range.
     // * Range.START_TO_END compares the start boundary-point of sourceRange to the end boundary-point of range.
-    // * Range.START_TO_START compares the start boundary-point of sourceRange to the start boundary-point of range. 
+    // * Range.START_TO_START compares the start boundary-point of sourceRange to the start boundary-point of range.
 function w3cstart(rng, constraint){
   if (rng.compareBoundaryPoints (START_TO_START, constraint) <= 0) return 0; // at or before the beginning
   if (rng.compareBoundaryPoints (END_TO_START, constraint) >= 0) return constraint.toString().length;