public void modifyTestElement(TestElement el) {
configureTestElement(el);
if (el instanceof ResponseAssertion) {
ResponseAssertion ra = (ResponseAssertion) el;
ra.clearTestStrings();
String[] testStrings = tableModel.getData().getColumn(COL_NAME);
for (int i = 0; i < testStrings.length; i++) {
ra.addTestString(testStrings[i]);
}