I am new to unit testing and planning to write unit test cases but not E-2-E for the below mentioned scenario and playgrounnd link for scenario is at the bottom
vue-select
libm
treap
pos-tagger
adlds
arbodyanchor
google-dfp
python-requests
evolution-cms
contactscontract
devise-confirmable
custom-action-filter
singleton-methods
easyadmin3
dlib
glove
binaryfiles
mpchartios
phpstorm-2019
build-time
gcr.io
badboy
octokit
magento-1.4
jenkins-update
xml-entities
angular-upgrade
vector-clock
redmine-api
remotewebdriver