+
+ // An 'is_a' 'arvados#collection' filter means only collections should be returned.
+ s.fs.MountProject("fg3", fixtureAFilterGroupThreeUUID)
+
+ _, err = s.fs.OpenFile("/fg3/baz_file", 0, 0)
+ c.Assert(err, check.IsNil)
+
+ _, err = s.fs.OpenFile("/fg3/A Subproject", 0, 0)
+ c.Assert(err, check.Not(check.IsNil))