Minor gulp fixes (#250)
Minor gulp fixes (#250)

* Supressed gulp error when tests failed

* Simplified file blobs in watch/compress tasks

* Added test runner as dependency for watch tasks

birjolaxew/sweetalert2,johan-weitner/SweetAlert3,birjolaxew/sweetalert2,johan-weitner/SweetAlert3,erbelair/sweetalert2,erbelair/sweetalert2,limonte/sweetalert2