int targetLine, String targetMethodName,
TestHelper.IStepper stepMode) throws Throwable {
IBreakpoint bkp = getHelper().ensureBreakpoint("test.js", bkpLine);
IThread thread = getHelper().launchToBreakpoint(bkp, "Breakpoints",
true);
getHelper().verifyThreadState(thread, bkpLine, 3, "simple");
getHelper().step(thread, stepMode);
getHelper().verifyThreadState(thread, targetLine, targetStackSize,
targetMethodName);
thread.resume();
}