Improve errors with the domaine and how to use the API

src/core/matchers/toHaveBeenCalledTimes.js

@@ -1,17 +1,19 @@
 getJasmineRequireObj().toHaveBeenCalledTimes = function(j$) {
 
+  var getErrorMsg = j$.formatErrorMsg('<toHaveBeenCalledTimes>', 'expect(<spyObj>).toHaveBeenCalledTimes(<Number>)');
+
   function toHaveBeenCalledTimes() {
     return {
       compare: function(actual, expected) {
         if (!j$.isSpy(actual)) {
-          throw new Error('Expected a spy, but got ' + j$.pp(actual) + '.');
+          throw new Error(getErrorMsg('Expected a spy, but got ' + j$.pp(actual) + '.'));
         }
 
         var args = Array.prototype.slice.call(arguments, 0),
           result = { pass: false };
 
         if (!j$.isNumber_(expected)){
-          throw new Error('The expected times failed is a required argument and must be a number.');
+          throw new Error(getErrorMsg('The expected times failed is a required argument and must be a number.'));
         }
 
         actual = args[0];
@@ -27,4 +29,4 @@ getJasmineRequireObj().toHaveBeenCalledTimes = function(j$) {
   }
 
   return toHaveBeenCalledTimes;
-};
+};