[folks] tests: Use FileAttribute.* enumeration

[Rico Tzschichholz <ricotz src gnome org>]

commit 600e2d42e6097502ec0c42ab257d08fc0ca7933a
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Wed May 30 14:20:27 2018 +0200

    tests: Use FileAttribute.* enumeration

 tests/folks/avatar-cache.vala | 2 +-
 tests/folks/object-cache.vala | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/tests/folks/avatar-cache.vala b/tests/folks/avatar-cache.vala
index d25245c0..ee32e9e4 100644
--- a/tests/folks/avatar-cache.vala
+++ b/tests/folks/avatar-cache.vala
@@ -78,7 +78,7 @@ public class AvatarCacheTests : Folks.TestCase
     {
       // Delete the files in the directory
       var enumerator =
-          dir.enumerate_children (FILE_ATTRIBUTE_STANDARD_NAME,
+          dir.enumerate_children (FileAttribute.STANDARD_NAME,
               FileQueryInfoFlags.NONE);
 
       FileInfo? file_info = enumerator.next_file ();
diff --git a/tests/folks/object-cache.vala b/tests/folks/object-cache.vala
index 62d208e6..f2a5188d 100644
--- a/tests/folks/object-cache.vala
+++ b/tests/folks/object-cache.vala
@@ -108,7 +108,7 @@ public class ObjectCacheTests : Folks.TestCase
     {
       // Delete the files in the directory
       var enumerator =
-          dir.enumerate_children (FILE_ATTRIBUTE_STANDARD_NAME,
+          dir.enumerate_children (FileAttribute.STANDARD_NAME,
               FileQueryInfoFlags.NONE);
 
       FileInfo? file_info = enumerator.next_file ();