diff --git a/tests/testthat/test04_adls.R b/tests/testthat/test04_adls.R
index fcaddd0..8d77570 100644
--- a/tests/testthat/test04_adls.R
+++ b/tests/testthat/test04_adls.R
@@ -151,45 +151,44 @@ test_that("ADLSgen2 client interface works",
 })
 
 
-# test_that("AAD authentication works",
-# {
-#     url <- stor$get_adls_endpoint()$url 
-#     token <- AzureRMR::get_azure_token(url, tenant=tenant, app=app, password=password)
-#     ad <- adls_endpoint(url, token=token)
-#     fs <- create_adls_filesystem(ad, "newfs4")
+test_that("AAD authentication works",
+{
+    url <- stor$get_adls_endpoint()$url 
+    token <- AzureRMR::get_azure_token("https://storage.azure.com/", tenant=tenant, app=app, password=password)
+    ad <- adls_endpoint(url, token=token)
+    fs <- create_adls_filesystem(ad, "newfs4")
 
-#     # upload and download
-#     orig_file <- "../resources/iris.csv"
-#     upload_adls_file(fs, orig_file, "iris.csv")
-#     tok_dl <- file.path(tempdir(), "iris_tok.csv")
-#     suppressWarnings(file.remove(tok_dl))
-#     download_adls_file(fs, "iris.csv", tok_dl)
-#     expect_identical(readBin(orig_file, "raw", n=1e5), readBin(tok_dl, "raw", n=1e5))
+    # upload and download
+    orig_file <- "../resources/iris.csv"
+    upload_adls_file(fs, orig_file, "iris.csv")
+    tok_dl <- file.path(tempdir(), "iris_tok.csv")
+    suppressWarnings(file.remove(tok_dl))
+    download_adls_file(fs, "iris.csv", tok_dl)
+    expect_identical(readBin(orig_file, "raw", n=1e5), readBin(tok_dl, "raw", n=1e5))
 
-#     # multiple upload and download
-#     files <- lapply(1:10, function(f) paste0(sample(letters, 1000, replace=TRUE), collapse=""))
-#     filenames <- sapply(1:10, function(n) file.path(tempdir(), sprintf("multitransfer_%d", n)))
-#     suppressWarnings(file.remove(filenames))
-#     mapply(writeLines, files, filenames)
+    # multiple upload and download
+    files <- lapply(1:10, function(f) paste0(sample(letters, 1000, replace=TRUE), collapse=""))
+    filenames <- sapply(1:10, function(n) file.path(tempdir(), sprintf("multitransfer_%d", n)))
+    suppressWarnings(file.remove(filenames))
+    mapply(writeLines, files, filenames)
 
-#     multiupload_adls_file(fs, file.path(tempdir(), "multitransfer_*"))
-#     expect_warning(multiupload_adls_file(fs, file.path(tempdir(), "multitransfer_*"), "newnames"))
+    multiupload_adls_file(fs, file.path(tempdir(), "multitransfer_*"), "/")
 
-#     dest_dir <- file.path(tempdir(), "adls_multitransfer")
-#     suppressWarnings(unlink(dest_dir, recursive=TRUE))
-#     dir.create(dest_dir)
-#     multidownload_adls_file(fs, "multitransfer_*", dest_dir, overwrite=TRUE)
+    dest_dir <- file.path(tempdir(), "adls_multitransfer")
+    suppressWarnings(unlink(dest_dir, recursive=TRUE))
+    dir.create(dest_dir)
+    multidownload_adls_file(fs, "multitransfer_*", dest_dir, overwrite=TRUE)
 
-#     expect_true(all(sapply(filenames, function(f)
-#     {
-#         src <- readBin(f, "raw", n=1e5)
-#         dest <- readBin(file.path(dest_dir, basename(f)), "raw", n=1e5)
-#         identical(src, dest)
-#     })))
+    expect_true(all(sapply(filenames, function(f)
+    {
+        src <- readBin(f, "raw", n=1e5)
+        dest <- readBin(file.path(dest_dir, basename(f)), "raw", n=1e5)
+        identical(src, dest)
+    })))
 
-#     delete_adls_filesystem(fs, confirm=FALSE)
-#     expect_true(is_empty(list_adls_filesystems(ad)))
-# })
+    delete_adls_filesystem(fs, confirm=FALSE)
+    expect_true(is_empty(list_adls_filesystems(ad)))
+})
 
 
 teardown(