[Red] testSingleTag1
Correction test string
XLIFFwithHTML is now not static
Added more guards and assuming only one source block
Started to do the backwards recursivity
Skeleton of looking nested elements and escape html
[RED] Comented TestSingleTag1 due to red state and being too complex to
do now
Added Test for getting name opening tags in failure
[Red] testGetNameOpeningTagSimple
[Green] testGetNameOpeningTagSimple