passthru context from tester.assertEval and tester.assertEvalEquals to casper.evaluate

@@ -146,9 +146,10 @@ var Tester = function(casper, options) {
      *
      * @param  Function  fn         A function to be evaluated in remote DOM
      * @param  String    message    Test description
+     * @param  Object    context    Object containing the parameters to inject into the function
      */
-    this.assertEval = function assertEval(fn, message) {
-        return this.assert(casper.evaluate(fn), message);
+    this.assertEval = function assertEval(fn, message, context) {
+        return this.assert(casper.evaluate(fn, context), message);
     };
 
     /**
@@ -158,9 +159,10 @@ var Tester = function(casper, options) {
      * @param  Function fn         The function to be evaluated in remote DOM
      * @param  Boolean  expected   The expected value
      * @param  String   message    Test description
+     * @param  Object   context    Object containing the parameters to inject into the function
      */
-    this.assertEvalEquals = function assertEvalEquals(fn, expected, message) {
-        return this.assertEquals(casper.evaluate(fn), expected, message);
+    this.assertEvalEquals = function assertEvalEquals(fn, expected, message, context) {
+        return this.assertEquals(casper.evaluate(fn, context), expected, message);
     };
 
     /**
@@ -174,6 +176,7 @@ var Tester = function(casper, options) {
         return this.assert(casper.exists(selector), message);
     };
 
+
     /**
      * Asserts that current HTTP status is the one passed as argument.
      *