doc: Update test commands in CONTRIBUTING

fix: dataStack work incorrectly with toolbox dataZoom #10972 #8520 #7534 #10359 #8069 #7872 #7732 #7672

Enhance visual regression test 

test: tweak some recorded interactions. try to fix puppeteer may trigger mouseout issue. add run timestamp

# Conflicts:
#	package.json
#	test/runTest/blacklist.js
#	test/runTest/cli.js
#	test/runTest/client/client.css
#	test/runTest/client/client.js
#	test/runTest/client/index.html
#	test/runTest/runtime/main.js
#	test/runTest/server.js
#	test/runTest/store.js
#	test/runTest/util.js

fix(custom series): the hover style should be always set but should not cache in hover state, otherwise the previous cache will be not reset and the previous hover style will remain; fix #11103.

vertical scroll bar may lead to chart container width less than 800. And it's not same in the iframe and puppeteer enviroment. It may cause recorded interaction can't replay correctly.

Fix tree root node disappear  after roam.

fix(tree): fix root node disappear after roam in vertical orient and add roam test in the tree example

* test: Run the tests automatically for visual regression test.

* doc: Update CONTRIBUTING doc for test section

* test: Improve visual regression test UI

* test: Add tests select and run control in dashboard

* test: Use child process to run test. Add logs in dashboard

* test: Fix some logic issue of controlling test in dashboard.

* test(autorun): Improve Dashboard UI

* test: Remove puppeteer from devDependencies

* Update package-lock.json

* style: fix code style.