Create 11 products with names, containing "Test & fun" text.
Input "Test & fun" into search box.
After search form submit see this search condition
1) in the search input box
2) in the url (in the urlencoded form)
3) in the page title
Click on "More..." link under search results.
See after page reload search condition in the same places.
Click under search results on pagination control to see page 2 of the search results.
See after page reload search condition in the same places.
Test this all both with mod-rewrite and without mod-rewrite.