If the text has "Horizontal Overflow" set to Wrap and "Vertical Fit" (Content Size Fitter) set to Preferred Size, the height of the text still is shown in one line (like "Horizontal Overflow" be set to Overflow).

Reproduction steps:
1. Open the attached file;
2. Find the object "Text" and set "Content Size Fitter" option "Vertical Fit" to Preferred Size;

Actual result: the text is shown up in one line.
Expected result: the height of "Rect Transform" should adapt by the text height and show all text.

Reproduced with: 5.5.0b11, 5.5.0f1, 5.6.0a3
Not reproducible: 5.3.6p4, 5.4.3f1, 5.5.0a1
Regression introduced in 5.5.0b11