Updated plugin spec for wysiwyg change

.export() was changed to .exportData() for IE8's reserved word handling.
This updates the spec to match.

Author: c0bra

test/unit/pluginsSpec.js

@@ -43,15 +43,15 @@ describe('plugins', function () {
                 beforeEach(initalizeHelper({ plugins: [ngGridWYSIWYGPlugin] }));
 
                 it('should work if the plugin being passed in is a function literal', function() {
-                    testData(scope.gridOptions.plugins['ngGridWYSIWYGPlugin'].export());
+                    testData(scope.gridOptions.plugins['ngGridWYSIWYGPlugin'].exportData());
                 });
             });
 
             describe('instance', function() {
                 beforeEach(initalizeHelper({ plugins: [new ngGridWYSIWYGPlugin()] }));
 
                 it('should work if the plugin being passed in is an instance', function() {
-                    testData(scope.gridOptions.plugins['ngGridWYSIWYGPlugin'].export());
+                    testData(scope.gridOptions.plugins['ngGridWYSIWYGPlugin'].exportData());
                 });
             });
         });