To debug test failures, add a query parameter "subtest" with the test id (like "?subtest=5"). Only that test will be run. Then you can look at the resulting iframe in the DOM.


PASS Detached Range 
PASS Resulting DOM for range 0 [paras[0].firstChild, 0, paras[0].firstChild, 0] 
PASS Resulting cursor position for range 0 [paras[0].firstChild, 0, paras[0].firstChild, 0] 
PASS Resulting DOM for range 1 [paras[0].firstChild, 0, paras[0].firstChild, 1] 
PASS Resulting cursor position for range 1 [paras[0].firstChild, 0, paras[0].firstChild, 1] 
PASS Resulting DOM for range 2 [paras[0].firstChild, 2, paras[0].firstChild, 8] 
PASS Resulting cursor position for range 2 [paras[0].firstChild, 2, paras[0].firstChild, 8] 
PASS Resulting DOM for range 3 [paras[0].firstChild, 2, paras[0].firstChild, 9] 
PASS Resulting cursor position for range 3 [paras[0].firstChild, 2, paras[0].firstChild, 9] 
PASS Resulting DOM for range 4 [paras[1].firstChild, 0, paras[1].firstChild, 0] 
PASS Resulting cursor position for range 4 [paras[1].firstChild, 0, paras[1].firstChild, 0] 
PASS Resulting DOM for range 5 [paras[1].firstChild, 2, paras[1].firstChild, 9] 
PASS Resulting cursor position for range 5 [paras[1].firstChild, 2, paras[1].firstChild, 9] 
PASS Resulting DOM for range 6 [detachedPara1.firstChild, 0, detachedPara1.firstChild, 0] 
PASS Resulting cursor position for range 6 [detachedPara1.firstChild, 0, detachedPara1.firstChild, 0] 
PASS Resulting DOM for range 7 [detachedPara1.firstChild, 2, detachedPara1.firstChild, 8] 
PASS Resulting cursor position for range 7 [detachedPara1.firstChild, 2, detachedPara1.firstChild, 8] 
PASS Resulting DOM for range 8 [foreignPara1.firstChild, 0, foreignPara1.firstChild, 0] 
PASS Resulting cursor position for range 8 [foreignPara1.firstChild, 0, foreignPara1.firstChild, 0] 
PASS Resulting DOM for range 9 [foreignPara1.firstChild, 2, foreignPara1.firstChild, 8] 
PASS Resulting cursor position for range 9 [foreignPara1.firstChild, 2, foreignPara1.firstChild, 8] 
PASS Resulting DOM for range 10 [document.documentElement, 0, document.documentElement, 1] 
PASS Resulting cursor position for range 10 [document.documentElement, 0, document.documentElement, 1] 
PASS Resulting DOM for range 11 [document.documentElement, 0, document.documentElement, 2] 
PASS Resulting cursor position for range 11 [document.documentElement, 0, document.documentElement, 2] 
PASS Resulting DOM for range 12 [document.documentElement, 1, document.documentElement, 2] 
PASS Resulting cursor position for range 12 [document.documentElement, 1, document.documentElement, 2] 
PASS Resulting DOM for range 13 [document.head, 1, document.head, 1] 
PASS Resulting cursor position for range 13 [document.head, 1, document.head, 1] 
PASS Resulting DOM for range 14 [document.body, 4, document.body, 5] 
PASS Resulting cursor position for range 14 [document.body, 4, document.body, 5] 
PASS Resulting DOM for range 15 [foreignDoc.documentElement, 0, foreignDoc.documentElement, 1] 
PASS Resulting cursor position for range 15 [foreignDoc.documentElement, 0, foreignDoc.documentElement, 1] 
PASS Resulting DOM for range 16 [paras[0], 0, paras[0], 1] 
PASS Resulting cursor position for range 16 [paras[0], 0, paras[0], 1] 
PASS Resulting DOM for range 17 [detachedPara1, 0, detachedPara1, 1] 
PASS Resulting cursor position for range 17 [detachedPara1, 0, detachedPara1, 1] 
PASS Resulting DOM for range 18 [paras[0].firstChild, 0, paras[1].firstChild, 0] 
PASS Resulting cursor position for range 18 [paras[0].firstChild, 0, paras[1].firstChild, 0] 
PASS Resulting DOM for range 19 [paras[0].firstChild, 0, paras[1].firstChild, 8] 
PASS Resulting cursor position for range 19 [paras[0].firstChild, 0, paras[1].firstChild, 8] 
PASS Resulting DOM for range 20 [paras[0].firstChild, 3, paras[3], 1] 
PASS Resulting cursor position for range 20 [paras[0].firstChild, 3, paras[3], 1] 
PASS Resulting DOM for range 21 [paras[0], 0, paras[0].firstChild, 7] 
PASS Resulting cursor position for range 21 [paras[0], 0, paras[0].firstChild, 7] 
PASS Resulting DOM for range 22 [testDiv, 2, paras[4], 1] 
PASS Resulting cursor position for range 22 [testDiv, 2, paras[4], 1] 
PASS Resulting DOM for range 23 [document, 0, document, 1] 
PASS Resulting cursor position for range 23 [document, 0, document, 1] 
PASS Resulting DOM for range 24 [document, 0, document, 2] 
PASS Resulting cursor position for range 24 [document, 0, document, 2] 
PASS Resulting DOM for range 25 [comment, 2, comment, 3] 
PASS Resulting cursor position for range 25 [comment, 2, comment, 3] 
PASS Resulting DOM for range 26 [testDiv, 0, comment, 5] 
PASS Resulting cursor position for range 26 [testDiv, 0, comment, 5] 
PASS Resulting DOM for range 27 [foreignDoc, 1, foreignComment, 2] 
PASS Resulting cursor position for range 27 [foreignDoc, 1, foreignComment, 2] 
PASS Resulting DOM for range 28 [foreignDoc.body, 0, foreignTextNode, 36] 
PASS Resulting cursor position for range 28 [foreignDoc.body, 0, foreignTextNode, 36] 
PASS Resulting DOM for range 29 [xmlDoc, 1, xmlComment, 0] 
PASS Resulting cursor position for range 29 [xmlDoc, 1, xmlComment, 0] 
PASS Resulting DOM for range 30 [detachedTextNode, 0, detachedTextNode, 8] 
PASS Resulting cursor position for range 30 [detachedTextNode, 0, detachedTextNode, 8] 
PASS Resulting DOM for range 31 [detachedForeignTextNode, 0, detachedForeignTextNode, 8] 
PASS Resulting cursor position for range 31 [detachedForeignTextNode, 0, detachedForeignTextNode, 8] 
PASS Resulting DOM for range 32 [detachedXmlTextNode, 0, detachedXmlTextNode, 8] 
PASS Resulting cursor position for range 32 [detachedXmlTextNode, 0, detachedXmlTextNode, 8] 
PASS Resulting DOM for range 33 [detachedComment, 3, detachedComment, 4] 
PASS Resulting cursor position for range 33 [detachedComment, 3, detachedComment, 4] 
PASS Resulting DOM for range 34 [detachedForeignComment, 0, detachedForeignComment, 1] 
PASS Resulting cursor position for range 34 [detachedForeignComment, 0, detachedForeignComment, 1] 
PASS Resulting DOM for range 35 [detachedXmlComment, 2, detachedXmlComment, 6] 
PASS Resulting cursor position for range 35 [detachedXmlComment, 2, detachedXmlComment, 6] 
PASS Resulting DOM for range 36 [docfrag, 0, docfrag, 0] 
PASS Resulting cursor position for range 36 [docfrag, 0, docfrag, 0] 
PASS Resulting DOM for range 37 [processingInstruction, 0, processingInstruction, 4] 
PASS Resulting cursor position for range 37 [processingInstruction, 0, processingInstruction, 4] 
PASS Resulting DOM for range 38 [paras[1].firstChild, 0, paras[1].firstChild, 1] 
PASS Resulting cursor position for range 38 [paras[1].firstChild, 0, paras[1].firstChild, 1] 
PASS Resulting DOM for range 39 [paras[1].firstChild, 2, paras[1].firstChild, 8] 
PASS Resulting cursor position for range 39 [paras[1].firstChild, 2, paras[1].firstChild, 8] 
PASS Resulting DOM for range 40 [detachedPara1.firstChild, 0, detachedPara1.firstChild, 1] 
PASS Resulting cursor position for range 40 [detachedPara1.firstChild, 0, detachedPara1.firstChild, 1] 
PASS Resulting DOM for range 41 [foreignPara1.firstChild, 0, foreignPara1.firstChild, 1] 
PASS Resulting cursor position for range 41 [foreignPara1.firstChild, 0, foreignPara1.firstChild, 1] 
PASS Resulting DOM for range 42 [foreignDoc.head, 1, foreignDoc.head, 1] 
PASS Resulting cursor position for range 42 [foreignDoc.head, 1, foreignDoc.head, 1] 
PASS Resulting DOM for range 43 [foreignDoc.body, 0, foreignDoc.body, 0] 
PASS Resulting cursor position for range 43 [foreignDoc.body, 0, foreignDoc.body, 0] 
PASS Resulting DOM for range 44 [paras[0], 0, paras[0], 0] 
PASS Resulting cursor position for range 44 [paras[0], 0, paras[0], 0] 
PASS Resulting DOM for range 45 [detachedPara1, 0, detachedPara1, 0] 
PASS Resulting cursor position for range 45 [detachedPara1, 0, detachedPara1, 0] 
PASS Resulting DOM for range 46 [testDiv, 1, paras[2].firstChild, 5] 
PASS Resulting cursor position for range 46 [testDiv, 1, paras[2].firstChild, 5] 
PASS Resulting DOM for range 47 [document.documentElement, 1, document.body, 0] 
PASS Resulting cursor position for range 47 [document.documentElement, 1, document.body, 0] 
PASS Resulting DOM for range 48 [foreignDoc.documentElement, 1, foreignDoc.body, 0] 
PASS Resulting cursor position for range 48 [foreignDoc.documentElement, 1, foreignDoc.body, 0] 
PASS Resulting DOM for range 49 [document, 1, document, 2] 
PASS Resulting cursor position for range 49 [document, 1, document, 2] 
PASS Resulting DOM for range 50 [paras[2].firstChild, 4, comment, 2] 
PASS Resulting cursor position for range 50 [paras[2].firstChild, 4, comment, 2] 
PASS Resulting DOM for range 51 [paras[3], 1, comment, 8] 
PASS Resulting cursor position for range 51 [paras[3], 1, comment, 8] 
PASS Resulting DOM for range 52 [foreignDoc, 0, foreignDoc, 0] 
PASS Resulting cursor position for range 52 [foreignDoc, 0, foreignDoc, 0] 
PASS Resulting DOM for range 53 [xmlDoc, 0, xmlDoc, 0] 
PASS Resulting cursor position for range 53 [xmlDoc, 0, xmlDoc, 0] 
PASS Resulting DOM for range 54 [detachedForeignTextNode, 7, detachedForeignTextNode, 7] 
PASS Resulting cursor position for range 54 [detachedForeignTextNode, 7, detachedForeignTextNode, 7] 
PASS Resulting DOM for range 55 [detachedXmlTextNode, 7, detachedXmlTextNode, 7] 
PASS Resulting cursor position for range 55 [detachedXmlTextNode, 7, detachedXmlTextNode, 7] 
PASS Resulting DOM for range 56 [detachedComment, 5, detachedComment, 5] 
PASS Resulting cursor position for range 56 [detachedComment, 5, detachedComment, 5] 
PASS Resulting DOM for range 57 [detachedForeignComment, 4, detachedForeignComment, 4] 
PASS Resulting cursor position for range 57 [detachedForeignComment, 4, detachedForeignComment, 4] 
PASS Resulting DOM for range 58 [foreignDocfrag, 0, foreignDocfrag, 0] 
PASS Resulting cursor position for range 58 [foreignDocfrag, 0, foreignDocfrag, 0] 
PASS Resulting DOM for range 59 [xmlDocfrag, 0, xmlDocfrag, 0] 
PASS Resulting cursor position for range 59 [xmlDocfrag, 0, xmlDocfrag, 0]