tst_qdialog flaky on RHEL 7.1

Config: Using QtTest library 5.6.1, Qt 5.6.1 (x86_64-little_endian-lp64 shared (dynamic) release build; by GCC 4.9.1 20140922 (Red Hat 4.9.1-10)
PASS   : tst_QDialog::showSizeGrip()
PASS   : tst_QDialog::setVisible()
PASS   : tst_QDialog::reject()
FAIL!  : tst_QDialog::snapToDefaultButton() Compared values are not the same
   Actual   (startingPos)   : QPoint(350,378)
   Expected (QCursor::pos()): QPoint(454,642)
   Loc: [tst_qdialog.cpp(592)]
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PASS   : tst_QDialog::setVisible()
PASS   : tst_QDialog::reject()
PASS   : tst_QDialog::snapToDefaultButton()
FAIL!  : tst_QDialog::transientParent(Non-native) 'QTest::qWaitForWindowExposed(&topLevel)' returned FALSE. ()
   Loc: [tst_qdialog.cpp(618)]
PASS   : tst_QDialog::transientParent(Native)
PASS   : tst_QDialog::dialogInGraphicsView()
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PASS   : tst_QDialog::showSizeGrip()
PASS   : tst_QDialog::setVisible()
PASS   : tst_QDialog::reject()
FAIL!  : tst_QDialog::snapToDefaultButton() 'QTest::qWaitForWindowExposed(&dialog)' returned FALSE. ()
   Loc: [tst_qdialog.cpp(586)]
PASS   : tst_QDialog::transientParent(Non-native)
PASS   : tst_QDialog::transientParent(Native)
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PASS   : tst_QDialog::setVisible()
PASS   : tst_QDialog::reject()
PASS   : tst_QDialog::snapToDefaultButton()
FAIL!  : tst_QDialog::transientParent(Non-native) 'QTest::qWaitForWindowExposed(&topLevel)' returned FALSE. ()
   Loc: [tst_qdialog.cpp(618)]
PASS   : tst_QDialog::transientParent(Native)
PASS   : tst_QDialog::dialogInGraphicsView()
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PASS   : tst_QDialog::showSizeGrip()
PASS   : tst_QDialog::setVisible()
PASS   : tst_QDialog::reject()
FAIL!  : tst_QDialog::snapToDefaultButton() Compared values are not the same
   Actual   (startingPos)   : QPoint(350,378)
   Expected (QCursor::pos()): QPoint(830,624)
   Loc: [tst_qdialog.cpp(592)]
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PASS   : tst_QDialog::showSizeGrip()
PASS   : tst_QDialog::setVisible()
PASS   : tst_QDialog::reject()
FAIL!  : tst_QDialog::snapToDefaultButton() 'QTest::qWaitForWindowExposed(&dialog)' returned FALSE. ()
   Loc: [tst_qdialog.cpp(586)]
PASS   : tst_QDialog::transientParent(Non-native)
PASS   : tst_QDialog::transientParent(Native)
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PASS   : tst_QDialog::showSizeGrip()
PASS   : tst_QDialog::setVisible()
PASS   : tst_QDialog::reject()
FAIL!  : tst_QDialog::snapToDefaultButton() 'QTest::qWaitForWindowExposed(&dialog)' returned FALSE. ()
   Loc: [tst_qdialog.cpp(586)]
PASS   : tst_QDialog::transientParent(Non-native)
PASS   : tst_QDialog::transientParent(Native)
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PASS   : tst_QDialog::showSizeGrip()
PASS   : tst_QDialog::setVisible()
PASS   : tst_QDialog::reject()
FAIL!  : tst_QDialog::snapToDefaultButton() 'QTest::qWaitForWindowExposed(&dialog)' returned FALSE. ()
   Loc: [tst_qdialog.cpp(586)]
PASS   : tst_QDialog::transientParent(Non-native)
PASS   : tst_QDialog::transientParent(Native)
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PASS   : tst_QDialog::setVisible()
PASS   : tst_QDialog::reject()
PASS   : tst_QDialog::snapToDefaultButton()
FAIL!  : tst_QDialog::transientParent(Non-native) 'QTest::qWaitForWindowExposed(&topLevel)' returned FALSE. ()
   Loc: [tst_qdialog.cpp(618)]
PASS   : tst_QDialog::transientParent(Native)
PASS   : tst_QDialog::dialogInGraphicsView()
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PASS   : tst_QDialog::setVisible()
PASS   : tst_QDialog::reject()
PASS   : tst_QDialog::snapToDefaultButton()
FAIL!  : tst_QDialog::transientParent(Non-native) 'QTest::qWaitForWindowExposed(&topLevel)' returned FALSE. ()
   Loc: [tst_qdialog.cpp(618)]
PASS   : tst_QDialog::transientParent(Native)
PASS   : tst_QDialog::dialogInGraphicsView()
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PASS   : tst_QDialog::setVisible()
PASS   : tst_QDialog::reject()
PASS   : tst_QDialog::snapToDefaultButton()
FAIL!  : tst_QDialog::transientParent(Non-native) 'QTest::qWaitForWindowExposed(&topLevel)' returned FALSE. ()
   Loc: [tst_qdialog.cpp(618)]
PASS   : tst_QDialog::transientParent(Native)
PASS   : tst_QDialog::dialogInGraphicsView()
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PASS   : tst_QDialog::snapToDefaultButton()
PASS   : tst_QDialog::transientParent(Non-native)
PASS   : tst_QDialog::transientParent(Native)
FAIL!  : tst_QDialog::dialogInGraphicsView() 'QTest::qWaitForWindowExposed(&view)' returned FALSE. ()
   Loc: [tst_qdialog.cpp(642)]
PASS   : tst_QDialog::cleanupTestCase()
Totals: 20 passed, 1 failed, 1 skipped, 0 blacklisted
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PASS   : tst_QDialog::snapToDefaultButton()
PASS   : tst_QDialog::transientParent(Non-native)
PASS   : tst_QDialog::transientParent(Native)
FAIL!  : tst_QDialog::dialogInGraphicsView() 'QTest::qWaitForWindowExposed(&view)' returned FALSE. ()
   Loc: [tst_qdialog.cpp(642)]
PASS   : tst_QDialog::cleanupTestCase()
Totals: 20 passed, 1 failed, 1 skipped, 0 blacklisted
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PASS   : tst_QDialog::deleteInExec()
PASS   : tst_QDialog::showSizeGrip()
PASS   : tst_QDialog::setVisible()
FAIL!  : tst_QDialog::reject() 'QTest::qWaitForWindowExposed(&dialog)' returned FALSE. ()
   Loc: [tst_qdialog.cpp(538)]
PASS   : tst_QDialog::snapToDefaultButton()
PASS   : tst_QDialog::transientParent(Non-native)