can login but then
test casper and spooky
spooky can drive casper run in cucumber
delete useless code
modify package.json file
use casper test
implement json date interface to create test code
create callback and casper_test function
change files location
modify config
reconstruct create_feature_file related function
make hello world practice test succeed
modify wait time
add code comments practice test
add course answer test interface
add one practice answer and test practice interface work
rename test files
delete fils related feature config
add simple_data_types practice answer and change encode answer mode
finish js basic courses addition