Test for chromium bug : 31286. css rendering bug : fixed-position-element and 'left'.

If fixed position inline element does not have left and/or right position then it should render as normal flow.

Case 1 : fixed text box should be just after relative text box.
relative fixed
Case 2 : fixed text box should be just before relative text box.
relative fixed
Case 3 : fixed text box should be just after relative text box.
relative fixed
Case 4 : fixed text box should be just before relative text box.
relative fixed
Case 5 : fixed text box should be just after relative2 text box.
relative relative2 fixed
Case 6 : fixed text box should be after relative text box in some distance and before relative2 in some distance.
relative relative2 fixed
Case 7 : fixed text box should be just after relative2 text box.
relative relative2 fixed
Case 8 : fixed text box should be before relative2 text box in some distance.
relative relative2 fixed
Case 9 : fixed text box should be just after relative2 text box.
relative relative2 fixed
Case 10 : fixed text box should be after relative text box in some distance and before relative2 in some distance.
relative relative2 fixed
Case 11 : fixed text box should be just after relative2 text box.
relative relative2 fixed
Case 12 : fixed text box should be before relative2 text box in some distance.
relative relative2 fixed