Further update to show_disk_loc test

Author: estolfo

test/functional/collection_test.rb

@@ -1828,9 +1828,8 @@ def test_show_disk_loc
     @test.save({:a => 1})
     @test.save({:a => 2})
     assert @test.find({:a => 1}, :show_disk_loc => true).show_disk_loc
-    if @version < '3.0.0' || @version >= '3.0.3'
-      assert @test.find({:a => 1}, :show_disk_loc => true).next['$diskLoc']
-    end
+    doc = @test.find({:a => 1}, :show_disk_loc => true).next
+    assert (doc['$diskLoc'] || doc['$recordId'])
     @test.remove
   end