tst_qimagereader fails on Ubuntu 16.10

SKIP   : tst_QImageReader::imageFormat(svgz) "svgz" images are not supported
   Loc: [tst_qimagereader.cpp(533)]
libpng error: IDAT: invalid distance too far back
QWARN  : tst_QImageReader::blackXPM() QImage::pixel: coordinate (25,25) out of range
FAIL!  : tst_QImageReader::blackXPM() Compared values are not the same
   Actual   (image.pixel(25, 25)) : 4290690750
   Expected (image2.pixel(25, 25)): 12345
   Loc: [tst_qimagereader.cpp(545)]

PASS   : tst_QImageReader::readFromResources(kollada.png)
libpng error: IDAT: invalid distance too far back
FAIL!  : tst_QImageReader::readFromResources(black.png) '!image.isNull()' returned FALSE. ()
   Loc: [tst_qimagereader.cpp(1415)]
PASS   : tst_QImageReader::readFromResources(YCbCr_cmyk.png)