Fix build file for browser testing.
Fix build file for browser testing.

opencadc/vosui,hjeeves/cadc-vosui,hjeeves/cadc-vosui,opencadc/cadc-vosui,opencadc/cadc-vosui,opencadc/cadc-vosui,opencadc/vosui,hjeeves/cadc-vosui,opencadc/vosui,canfar/vosui,opencadc/cadc-vosui,hjeeves/cadc-vosui,opencadc/vosui,canfar/vosui