public async Task ListFilesTestAsync()
{
string[] expectedFiles = new string[] { "file1", "file2", "file3" };
Array.ForEach(expectedFiles, fileName =>
{
UploadFileHelper(fileName, "text");
});
IStorageService storageService = new BlobStorageService(_connectionString, _testContainerName);
string[] actualFiles = await storageService.ListFilesAsync();
Assert.Equal(expectedFiles, actualFiles);
}