public async Task Update_Test(CategoryInfo categoryInfo, bool isExist, ResultModel <string> expectedModel)
{
_categoryRepository
.Setup(x => x.AnyAsync(It.IsAny <Expression <Func <CategoryInfo, bool> > >())).ReturnsAsync(isExist);
_categoryRepository.Setup(x => x.UpdateAsync(It.IsAny <CategoryInfo>())).ReturnsAsync(true);
var actualModel = await _categoryBusiness.UpdateAsync(categoryInfo);
var actualStr = JsonConvert.SerializeObject(actualModel);
var expectedStr = JsonConvert.SerializeObject(expectedModel);
Assert.Equal(expectedStr, actualStr);
}