Canvas3D_test_uniforms fails in the CI on Windows 10

PASS   : qmltest::Canvas3D_render_simple::test_render_1_simple()
PASS   : qmltest::Canvas3D_render_simple::test_render_2_resize()
PASS   : qmltest::Canvas3D_render_simple::cleanupTestCase()
PASS   : qmltest::Canvas3D_render_target::initTestCase()
PASS   : qmltest::Canvas3D_render_target::test_render_1_target()
PASS   : qmltest::Canvas3D_render_target::test_render_2_target()
PASS   : qmltest::Canvas3D_render_target::cleanupTestCase()
PASS   : qmltest::Canvas3D_test_uniforms::initTestCase()
jom: C:\Users\qt\work\qt\qtcanvas3d\tests\auto\qmltest\Makefile.Release [check] Error 2
jom: C:\Users\qt\work\qt\qtcanvas3d\tests\auto\qmltest\Makefile [release-check] Error 2

agent:2016/04/27 16:36:01 build.go:206: Process finished with error: exit status 2
agent:2016/04/27 16:36:01 build.go:158: Error reading from stdout/err: exit status 2
agent:2016/04/27 16:36:01 agent.go:170: Test failed
agent:2016/04/27 16:36:01 agent.go:127: ERROR building: Error unmarshalling testlib xml output: EOF