public async Task GetStudentProfilesAsync_ShouldReturnValidList_WhenURLIsValid()
        {
            //Arrange
            FetchData fetchData = new FetchData(SertifiURLs.urlGET);

            //Act
            var results = await fetchData.GetStudentProfilesAsync();

            //Assert
            Assert.That(results, Is.InstanceOf <List <StudentProfile> >());
        }