public async Task TestGetWord()
{
using (var context = new bookAPIContext(options))
{
WordsController wordsController = new WordsController(context);
ActionResult <IEnumerable <Word> > result = await wordsController.GetWord();
Assert.IsNotNull(result); // check not empty word list
Assert.AreEqual(context.Word.Count(), 3); // check 3 elements in word list
}
}