fix(scenario): don't trigger input events on IE9

input.enter() should trigger 'change' rather than 'input' event on IE9 because
input events on IE9 are broken and angular doesn't rely on them

src/ngScenario/dsl.js

@@ -198,13 +198,13 @@ angular.scenario.dsl('binding', function() {
  */
 angular.scenario.dsl('input', function() {
   var chain = {};
-  var supportInputEvent = 'oninput' in document.createElement('div');
+  var supportInputEvent =  'oninput' in document.createElement('div') && msie != 9;
 
   chain.enter = function(value, event) {
     return this.addFutureAction("input '" + this.name + "' enter '" + value + "'", function($window, $document, done) {
       var input = $document.elements('[ng\\:model="$1"]', this.name).filter(':input');
       input.val(value);
-      input.trigger(event || supportInputEvent && 'input' || 'change');
+      input.trigger(event || (supportInputEvent ? 'input' : 'change'));
       done();
     });
   };

test/ngScenario/dslSpec.js

@@ -269,7 +269,7 @@ describe("angular.scenario.dsl", function() {
         $root.dsl.select('test').options('A', 'B');
         expect($root.futureError).toMatch(/did not match/);
       });
-      
+
       it('should fail to select an option that does not exist', function(){
           doc.append(
               '<select ng-model="test">' +
@@ -596,12 +596,22 @@ describe("angular.scenario.dsl", function() {
     });
 
     describe('Input', function() {
-      it('should change value in text input', function() {
-        doc.append('<input ng-model="test.input" value="something">');
-        var chain = $root.dsl.input('test.input');
-        chain.enter('foo');
-        expect(_jQuery('input[ng-model="test.input"]').val()).toEqual('foo');
-      });
+      it('should change value in text input', inject(function($compile) {
+        runs(function() {
+          element = $compile('<input ng-model="test.input" value="something">')($root);
+          doc.append(element);
+          var chain = $root.dsl.input('test.input');
+          chain.enter('foo');
+          expect(_jQuery('input[ng-model="test.input"]').val()).toEqual('foo');
+        });
+
+        // cleanup the event queue
+        waits(0);
+
+        runs(function() {
+          expect($root.test.input).toBe('foo');
+        });
+      }));
 
       it('should change value in text input in dash form', function() {
         doc.append('<input ng-model="test.input" value="something">');