[geary: 46/66] Fix detach_emails_before_timestamp test case

[Michael Gratton <mjog src gnome org>]

commit 01e114f09aa54f310d1c54e0eb1f516043cc4f63
Author: Chris Heywood <15127-creywood users noreply gitlab gnome org>
Date:   Mon Feb 10 16:04:13 2020 +0100

    Fix detach_emails_before_timestamp test case
    
    That's ImapDB.Folder::detach_emails_before_timestamp, fixed
    and enabled.

 test/engine/imap-db/imap-db-folder-test.vala | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)
---
diff --git a/test/engine/imap-db/imap-db-folder-test.vala b/test/engine/imap-db/imap-db-folder-test.vala
index 1c5bc53c6..7bd023842 100644
--- a/test/engine/imap-db/imap-db-folder-test.vala
+++ b/test/engine/imap-db/imap-db-folder-test.vala
@@ -26,8 +26,7 @@ class Geary.ImapDB.FolderTest : TestCase {
         //add_test("merge_existing_preview", merge_existing_preview);
         add_test("set_flags", set_flags);
         add_test("set_flags_on_deleted", set_flags_on_deleted);
-        // TODO temporarily disabled until fixed
-        //add_test("detach_emails_before_timestamp", detach_emails_before_timestamp);
+        add_test("detach_emails_before_timestamp", detach_emails_before_timestamp);
     }
 
     public override void set_up() throws GLib.Error {
@@ -374,7 +373,7 @@ class Geary.ImapDB.FolderTest : TestCase {
         );
         this.folder.detach_emails_before_timestamp.end(async_result());
 
-        int64[] expected = { 2, 3 };
+        int64[] expected = { 1, 2 };
         Db.Result result = this.account.db.query(
             "SELECT id FROM MessageLocationTable"
         );