diff --git a/backend/azurefiles/azurefiles.go b/backend/azurefiles/azurefiles.go
index cb9dd2793..a9fed6e2b 100644
--- a/backend/azurefiles/azurefiles.go
+++ b/backend/azurefiles/azurefiles.go
@@ -453,7 +453,7 @@ func newFsFromOptions(ctx context.Context, name, root string, opt *Options) (fs.
 			return nil, fmt.Errorf("create new shared key credential failed: %w", err)
 		}
 	case opt.UseAZ:
-		var options = azidentity.AzureCLICredentialOptions{}
+		options := azidentity.AzureCLICredentialOptions{}
 		cred, err = azidentity.NewAzureCLICredential(&options)
 		fmt.Println(cred)
 		if err != nil {
@@ -550,7 +550,7 @@ func newFsFromOptions(ctx context.Context, name, root string, opt *Options) (fs.
 	case opt.UseMSI:
 		// Specifying a user-assigned identity. Exactly one of the above IDs must be specified.
 		// Validate and ensure exactly one is set. (To do: better validation.)
-		var b2i = map[bool]int{false: 0, true: 1}
+		b2i := map[bool]int{false: 0, true: 1}
 		set := b2i[opt.MSIClientID != ""] + b2i[opt.MSIObjectID != ""] + b2i[opt.MSIResourceID != ""]
 		if set > 1 {
 			return nil, errors.New("more than one user-assigned identity ID is set")
@@ -583,7 +583,6 @@ func newFsFromOptions(ctx context.Context, name, root string, opt *Options) (fs.
 			token, err := msiCred.GetToken(context.Background(), policy.TokenRequestOptions{
 				Scopes: []string{"api://AzureADTokenExchange"},
 			})
-
 			if err != nil {
 				return "", fmt.Errorf("failed to acquire MSI token: %w", err)
 			}
@@ -855,7 +854,7 @@ func (f *Fs) List(ctx context.Context, dir string) (fs.DirEntries, error) {
 		return entries, err
 	}
 
-	var opt = &directory.ListFilesAndDirectoriesOptions{
+	opt := &directory.ListFilesAndDirectoriesOptions{
 		Include: directory.ListFilesInclude{
 			Timestamps: true,
 		},
@@ -1014,6 +1013,10 @@ func (o *Object) SetModTime(ctx context.Context, t time.Time) error {
 		SMBProperties: &file.SMBProperties{
 			LastWriteTime: &t,
 		},
+		HTTPHeaders: &file.HTTPHeaders{
+			ContentMD5:  o.md5,
+			ContentType: &o.contentType,
+		},
 	}
 	_, err := o.fileClient().SetHTTPHeaders(ctx, &opt)
 	if err != nil {
diff --git a/fstest/test_all/config.yaml b/fstest/test_all/config.yaml
index 65955e948..b57248c65 100644
--- a/fstest/test_all/config.yaml
+++ b/fstest/test_all/config.yaml
@@ -429,8 +429,6 @@ backends:
      - TestMultithreadCopyAbort
  - backend:  "azurefiles"
    remote:   "TestAzureFiles:"
-   ignoretests:
-     - cmd/bisync
  - backend:  "pcloud"
    remote:   "TestPcloud:"
    fastlist: true