Adds unit test for `clean` gulp task
Adds unit test for `styles` gulp task
Adds unit tests for `copy` gulp task
Adds unit tests for `templates` gulp task
Adds unit tests for `fonts` gulp task
Adds unit tests for `images` gulp task
Adds unit tests for `scripts` gulp task
Adds unit tests for `build` gulp task
Adds unit tests for `default` gulp task
Adds unit test for `format` gulp task
Adds unit test for `lang` gulp task