Enable --verbose option in test by default. (#121)

It's better to inform details.

ISSUE=#99,#100

Author: romandev

bootstrap/command/test

@@ -28,7 +28,7 @@ function is_already_formatted() {
 
 if is_already_formatted; then
   mocha --napi-modules examples/calculator.js
-  node --napi-modules $(bacardi_path)/node_modules/jest/bin/jest.js
+  node --napi-modules $(bacardi_path)/node_modules/jest/bin/jest.js --verbose
 else
   echo "You should run |bacardi format| command first."
 fi