The following tests fail on 32 bit Mesa:
ERROR/packed_pixels: ERROR:packed_pixels:Compare: non-integer comparison: 4, 0, 72, 0.007874: 0.566929 == 0.500000: not equal.
Additionally, the following test fails intermittently, and has been disabled in Intel's CI:
INFO/packed_depth_stencil_init: INFO:packed_depth_stencil_init:Target: 00009101
ERROR:packed_depth_stencil_init:glGetTexLevelParameterfv: Parameter is not 0