public void Test6_7_ClearCompletedButton(int checkCount)
{
var checkList = new int[checkCount];
for (int i = 0; i < checkCount; i++)
{
var index = _rand.Next(TestItemsCount - 1);
while (checkList.Contains(index))
{
index = _rand.Next(TestItemsCount - 1);
}
_listItem.Check(index);
checkList[i] = index;
}
_statusBar.ClickClearCompleted();
Assert.IsTrue(_listItem.GetItemsAll().Count == TestItemsCount - checkCount && NamesAreEqual(_testArray, checkList));
}