tst_QProcess::softExitInSlots is flaky on Windows

********* Start testing of tst_QProcess *********
 Config: Using QtTest library 5.12.0, Qt 5.12.0 (x86_64-little_endian-llp64 shared (dynamic) release build; by MSVC 2015)
 PASS   : tst_QProcess::initTestCase()
 PASS   : tst_QProcess::getSetCheck()
 QWARN  : tst_QProcess::constructing() QIODevice::read (QProcess): device not open
 QWARN  : tst_QProcess::constructing() QIODevice::read (QProcess): device not open
 QWARN  : tst_QProcess::constructing() QIODevice::read (QProcess): device not open
 QWARN  : tst_QProcess::constructing() QIODevice::write (QProcess): device not open
 PASS   : tst_QProcess::constructing()
 PASS   : tst_QProcess::simpleStart()
 PASS   : tst_QProcess::startWithOpen()
 PASS   : tst_QProcess::startWithOldOpen()
 PASS   : tst_QProcess::execute()
 PASS   : tst_QProcess::startDetached()
 PASS   : tst_QProcess::crashTest()
 PASS   : tst_QProcess::crashTest2()
 PASS   : tst_QProcess::echoTest(1)
 PASS   : tst_QProcess::echoTest(2)
 PASS   : tst_QProcess::echoTest(3)
 PASS   : tst_QProcess::echoTest(4)
 PASS   : tst_QProcess::echoTest(5)
 PASS   : tst_QProcess::echoTest(100 bytes)
 PASS   : tst_QProcess::echoTest(1000 bytes)
 PASS   : tst_QProcess::echoTest(10000 bytes)
 PASS   : tst_QProcess::echoTest2()
 PASS   : tst_QProcess::echoTestGui()
 PASS   : tst_QProcess::testSetNamedPipeHandleState()
 PASS   : tst_QProcess::batFiles(simple)
 PASS   : tst_QProcess::batFiles(with space)
 PASS   : tst_QProcess::loopBackTest()
 PASS   : tst_QProcess::readTimeoutAndThenCrash()
 PASS   : tst_QProcess::deadWhileReading()
 PASS   : tst_QProcess::restartProcessDeadlock()
 PASS   : tst_QProcess::closeWriteChannel()
 PASS   : tst_QProcess::closeReadChannel()
 PASS   : tst_QProcess::openModes()
 PASS   : tst_QProcess::emitReadyReadOnlyWhenNewDataArrives()
 FAIL!  : tst_QProcess::softExitInSlots(gui app 0) QTestLib: This test case check ("((proc.waitedForFinished))") failed because the requested timeout (60000 ms) was too short, 113800 ms would have been sufficient this time.
 ..\tst_qprocess.cpp(1020) : failure location
 PASS   : tst_QProcess::softExitInSlots(gui app 1)
 PASS   : tst_QProcess::softExitInSlots(gui app 2)
 PASS   : tst_QProcess::softExitInSlots(gui app 3)
 PASS   : tst_QProcess::softExitInSlots(gui app 4)
 PASS   : tst_QProcess::softExitInSlots(gui app 5)
 PASS   : tst_QProcess::softExitInSlots(console app 0)
 PASS   : tst_QProcess::softExitInSlots(console app 1)
 PASS   : tst_QProcess::softExitInSlots(console app 2)
 PASS   : tst_QProcess::softExitInSlots(console app 3)
 PASS   : tst_QProcess::softExitInSlots(console app 4)
 PASS   : tst_QProcess::softExitInSlots(console app 5)
 PASS   : tst_QProcess::mergedChannels()
 PASS   : tst_QProcess::forwardedChannels(separate)
 PASS   : tst_QProcess::forwardedChannels(forwarded)
 PASS   : tst_QProcess::forwardedChannels(stdout)
 PASS   : tst_QProcess::forwardedChannels(stderr)
 PASS   : tst_QProcess::forwardedChannels(fwdinput)
 PASS   : tst_QProcess::atEnd()
 PASS   : tst_QProcess::atEnd2()
 PASS   : tst_QProcess::waitForFinishedWithTimeout()
 PASS   : tst_QProcess::waitForReadyReadInAReadyReadSlot()
 PASS   : tst_QProcess::waitForBytesWrittenInABytesWrittenSlot()
 PASS   : tst_QProcess::setEnvironment(setting-empty)
 PASS   : tst_QProcess::setEnvironment(setting)
 PASS   : tst_QProcess::setEnvironment(unsetting)
 PASS   : tst_QProcess::setEnvironment(overriding)
 PASS   : tst_QProcess::setProcessEnvironment(setting-empty)
 PASS   : tst_QProcess::setProcessEnvironment(setting)
 PASS   : tst_QProcess::setProcessEnvironment(unsetting)
 PASS   : tst_QProcess::setProcessEnvironment(overriding)
 PASS   : tst_QProcess::environmentIsSorted()
 PASS   : tst_QProcess::spaceInName()
 PASS   : tst_QProcess::setStandardInputFile()
 PASS   : tst_QProcess::setStandardOutputFile(stdout-truncate)
 PASS   : tst_QProcess::setStandardOutputFile(stdout-append)
 PASS   : tst_QProcess::setStandardOutputFile(stderr-truncate)
 PASS   : tst_QProcess::setStandardOutputFile(stderr-append)
 PASS   : tst_QProcess::setStandardOutputFile(merged-truncate)
 PASS   : tst_QProcess::setStandardOutputFile(merged-append)
 PASS   : tst_QProcess::setStandardOutputFileNullDevice()
 PASS   : tst_QProcess::setStandardOutputFileAndWaitForBytesWritten()
 PASS   : tst_QProcess::setStandardOutputProcess(separate)
 PASS   : tst_QProcess::setStandardOutputProcess(separate with waitForBytesWritten)
 PASS   : tst_QProcess::setStandardOutputProcess(merged)
 PASS   : tst_QProcess::removeFileWhileProcessIsRunning()
 BPASS  : tst_QProcess::fileWriterProcess()
 PASS   : tst_QProcess::switchReadChannels()
 PASS   : tst_QProcess::discardUnwantedOutput()
 PASS   : tst_QProcess::setWorkingDirectory()
 PASS   : tst_QProcess::setNonExistentWorkingDirectory()
 PASS   : tst_QProcess::exitStatus(normal)
 PASS   : tst_QProcess::exitStatus(crash)
 PASS   : tst_QProcess::exitStatus(normal-crash)
 PASS   : tst_QProcess::exitStatus(crash-normal)
 PASS   : tst_QProcess::waitForFinished()
 PASS   : tst_QProcess::hardExit()
 PASS   : tst_QProcess::softExit()
 PASS   : tst_QProcess::processInAThread()
 PASS   : tst_QProcess::processesInMultipleThreads()
 PASS   : tst_QProcess::spaceArgsTest(arg1 arg2)
 PASS   : tst_QProcess::spaceArgsTest(""""arg1"""" "ar """g2")
 PASS   : tst_QProcess::spaceArgsTest("ar g1" "a rg 2")
 PASS   : tst_QProcess::spaceArgsTest("-lar g1" "-l"""ar g2"""")
 PASS   : tst_QProcess::spaceArgsTest(ar""""g1)
 PASS   : tst_QProcess::spaceArgsTest(ar\g1)
 PASS   : tst_QProcess::spaceArgsTest(ar\g""""1)
 PASS   : tst_QProcess::spaceArgsTest(arg\"""1)
 PASS   : tst_QProcess::spaceArgsTest("""""""""""")
 PASS   : tst_QProcess::spaceArgsTest("""""""""""" """"""" """"""")
 PASS   : tst_QProcess::spaceArgsTest(""""""" "" """"""" (bogus double quotes))
 PASS   : tst_QProcess::spaceArgsTest( """"""" "" """""""   (bogus double quotes))
 PASS   : tst_QProcess::nativeArguments()
 PASS   : tst_QProcess::createProcessArgumentsModifier()
 PASS   : tst_QProcess::exitCodeTest()
 PASS   : tst_QProcess::systemEnvironment()
 PASS   : tst_QProcess::lockupsInStartDetached()
 PASS   : tst_QProcess::waitForReadyReadForNonexistantProcess()
 PASS   : tst_QProcess::detachedProcessParameters(none)
 PASS   : tst_QProcess::detachedProcessParameters(stdout)
 PASS   : tst_QProcess::detachedProcessParameters(stderr)
 PASS   : tst_QProcess::startFinishStartFinish()
 PASS   : tst_QProcess::invalidProgramString(null string)
 PASS   : tst_QProcess::invalidProgramString(empty string)
 PASS   : tst_QProcess::invalidProgramString(only blank string)
 PASS   : tst_QProcess::onlyOneStartedSignal()
 PASS   : tst_QProcess::finishProcessBeforeReadingDone()
 PASS   : tst_QProcess::waitForStartedWithoutStart()
 PASS   : tst_QProcess::startStopStartStop()
 PASS   : tst_QProcess::startStopStartStopBuffers(separate-separate)
 PASS   : tst_QProcess::startStopStartStopBuffers(separate-merged)
 PASS   : tst_QProcess::startStopStartStopBuffers(merged-separate)
 PASS   : tst_QProcess::startStopStartStopBuffers(merged-merged)
 lline3
 ine3
 PASS   : tst_QProcess::startStopStartStopBuffers(merged-forwarded)
 PASS   : tst_QProcess::processEventsInAReadyReadSlot(no waitForReadyRead)
 PASS   : tst_QProcess::processEventsInAReadyReadSlot(waitForReadyRead)
 PASS   : tst_QProcess::failToStart()
 PASS   : tst_QProcess::failToStartWithWait()
 PASS   : tst_QProcess::failToStartWithEventLoop()
 PASS   : tst_QProcess::failToStartEmptyArgs(start(QString, QStringList, OpenMode))
 PASS   : tst_QProcess::failToStartEmptyArgs(start(QString, OpenMode))
 PASS   : tst_QProcess::failToStartEmptyArgs(start(OpenMode))
 PASS   : tst_QProcess::cleanupTestCase()
 Totals: 132 passed, 1 failed, 0 skipped, 1 blacklisted, 210148ms
 ********* Finished testing of tst_QProcess *********