Unit Tests for WordPress Plugins
Read More @
http://coding.smashingmagazine.com/2012/03/07/writing-unit-tests-for-wordpress-plugins/
Read More @
http://coding.smashingmagazine.com/2012/03/07/writing-unit-tests-for-wordpress-plugins/
Yes, QA starts at the time of Requirement Analysis.
For design, must confirm to add proper css to all htl element. This test HTML will helpful to test.
http://snipplr.com/view/8121/html-test-page-for-css-style-guide/
I believe the major difference is that QA starts in the Pre-development phase itseff and QC in the post development.