public void GetDirectories_WithRightData_Test_listOfdirectory()
{
var mockDirectoryService = new Mock <IDirectoryService>();
this.controller.DirectoryService = mockDirectoryService.Object;
string[] result = { "directory1", "directory2" };
mockDirectoryService.Setup(services => services.GetDirectoriesList("test")).Returns(result);
var json = controller.GetDirectoriesList("test");
Assert.AreEqual(json.Data, result);
}