1 Several tests of the DOM normalize() function. 2 test1 (two non-empty text nodes): PASSED 3 test2 (three non-empty text nodes): PASSED 4 test3 (non-empty text nodes mixed with elements): PASSED 5 test4 (single empty text node): PASSED 6 test5 (empty text node between elements): PASSED 7 test6 (empty text nodes before non-empty node): PASSED 8 test7 (empty text nodes after non-empty node): PASSED 9 test8 (empty text nodes between non-empty nodes): PASSED 10 test9 (empty and non-empty text nodes mixed with elements): PASSED 11 test10 (mixed cases including deeper nested text nodes): PASSED 12 13