fixed: failing karma:browsers test for Model instantiation, #226
fixed: failing karma:browsers test for Model instantiation, #226

medic/enketo-core,enketo/enketo-core,enketo/enketo-core,kevinmwangi/enketo-core,alxndrsn/enketo-core,kevinmwangi/enketo-core,nap2000/enketo-core,alxndrsn/enketo-core,enketo/enketo-core,kobotoolbox/enketo-core,kobotoolbox/enketo-core,medic/enketo-core,nap2000/enketo-core,mangroveorg/enketo-core-dw,nap2000/enketo-core,mangroveorg/enketo-core-dw