public void pushTest()
{
SeqStack <string> seqStack = new SeqStack <string>(10);
seqStack.push("A");
seqStack.push("B");
seqStack.push("C");
List <string> result = new List <string>()
{
"C", "B", "A"
};
CollectionAssert.AreEqual(seqStack.display(), result);
}