If tst_qtgraphicaleffects::innerShadow test is run on qemu-arm (32bit), then tst_qtgraphicaleffects::recursiveBlur fails later on with:
PASS : tst_qtgraphicaleffects::radialGradient()
qemu-arm: /tmp/tmp.nTrEOJgDg8/translate-all.c:175: tb_lock: Assertion `!have_tb_lock' failed.
qemu-arm: /tmp/tmp.nTrEOJgDg8/translate-all.c:175: tb_lock: Assertion `!have_tb_lock' failed.
Test crashes differently on 64bit, so it's most likely related to this qemu bug:

https://bugs.launchpad.net/qemu/+bug/1701798

Attempted so far:

• Workaround from the qemu bug
  • sudo ln -s /nonexistent $QEMU_LD_PREFIX/etc/ld.so.cache
  • Does not work
• Updating qemu to stable-2.10
  • Test no longer crashes, but hangs

Originated from https://bugreports.qt.io/browse/QTBUG-65204

Other tests failing with similar crash:

• qtquickcontrols
  • qtquickcontrols::Tests_ComboBox::test_append_find()
  • qtquickcontrols::Tests_MenuBar::test_keyNavigation()
  • all tests in qtquickcontrols::Tests_Slider
  • all tests in qtquickcontrols::Tests_SplitView
  • all tests in qtquickcontrols::Tests_TableView
  • all tests in qtquickcontrols::Tests_TabView
  • all tests in qtquickcontrols::Tests_TreeView
  • lots of tests in qtquickcontrols tests/auto/extras