rem: this._app._testColumn.remove(count - 1); 
add: this._testColumn.remove(count - 1); 
context: EmbedTest.ComponentSync.TestPane.prototype._processRemoveButton = function(e) {    var count = this._app._testColumn.getComponentCount();    if (count > 0) {        this._app._testColumn.remove(count - 1);    }};
meta: 600	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/600/92f888404f16205d7a4f940a42b3bb9870b6c267/EmbedTestComponent.js/buggy/src/testapp/interactive/java/nextapp/echo/testapp/interactive/resource/js/EmbedTestComponent.js