tst_qquickloader: urlToComponent is flaky on macos

agent:2020/07/15 21:31:42 build.go:889: 
 agent:2020/07/15 21:31:42 build.go:566: Executing instruction 334 of 497 - RunQtUnitTest
 agent:2020/07/15 21:31:42 build.go:727: Running tests in directory /Users/qt/work/qt/qtdeclarative/tests/auto/quick/qquickloader
 agent:2020/07/15 21:31:42 runner.go:74: Generating test results with TESTARGS=-o /Users/qt/work/testresults/tests/auto/quick/qquickloader113964144,xml -o /Users/qt/work/testresults/tests/auto/quick/qquickloader113964144-junit,xunitxml -o -,txt
 agent:2020/07/15 21:31:42 build.go:393: [make check -j1] 900 900
 agent:2020/07/15 21:31:42 build.go:287: [make check -j1] 900 900 false false
 agent:2020/07/15 21:31:43 build.go:264: /Users/qt/work/install/bin/qmake -o Makefile qquickloader.pro INSTALL_PREFIX=/Users/qt/work/install
 agent:2020/07/15 21:31:44 build.go:264: /Users/qt/work/qt/qtdeclarative/tests/auto/quick/qquickloader/target_wrapper.sh  ./tst_qquickloader -o /Users/qt/work/testresults/tests/auto/quick/qquickloader113964144,xml -o /Users/qt/work/testresults/tests/auto/quick/qquickloader113964144-junit,xunitxml -o -,txt
 agent:2020/07/15 21:31:45 build.go:264: ********* Start testing of tst_QQuickLoader *********
 agent:2020/07/15 21:31:45 build.go:264: Config: Using QtTest library 6.0.0, Qt 6.0.0 (x86_64-little_endian-lp64 shared (dynamic) release build; by Clang 11.0.0 (clang-1100.0.33.16) (Apple))
 agent:2020/07/15 21:31:45 build.go:264: PASS   : tst_QQuickLoader::initTestCase()
 agent:2020/07/15 21:31:45 build.go:264: PASS   : tst_QQuickLoader::sourceOrComponent(source)
 agent:2020/07/15 21:31:45 build.go:264: PASS   : tst_QQuickLoader::sourceOrComponent(source with subdir)
 agent:2020/07/15 21:31:45 build.go:264: PASS   : tst_QQuickLoader::sourceOrComponent(source with encoded subdir literal)
 agent:2020/07/15 21:31:45 build.go:264: PASS   : tst_QQuickLoader::sourceOrComponent(source with encoded subdir optimized binding)
 agent:2020/07/15 21:31:45 build.go:264: PASS   : tst_QQuickLoader::sourceOrComponent(source with encoded subdir binding)
 agent:2020/07/15 21:31:45 build.go:264: PASS   : tst_QQuickLoader::sourceOrComponent(sourceComponent)
 agent:2020/07/15 21:31:45 build.go:264: PASS   : tst_QQuickLoader::sourceOrComponent(invalid source)
 agent:2020/07/15 21:31:45 build.go:264: PASS   : tst_QQuickLoader::clear()
 agent:2020/07/15 21:31:45 build.go:264: FAIL!  : tst_QQuickLoader::urlToComponent() Compared doubles are not the same (fuzzy compare)
 agent:2020/07/15 21:31:45 build.go:264:    Actual   (loader->width()): 120
 agent:2020/07/15 21:31:45 build.go:264:    Expected (10.0)           : 10
 agent:2020/07/15 21:31:45 build.go:264:    Loc: [tst_qquickloader.cpp(307)]
 agent:2020/07/15 21:31:45 build.go:264: PASS   : tst_QQuickLoader::componentToUrl()
 agent:2020/07/15 21:31:45 build.go:264: PASS   : tst_QQuickLoader::anchoredLoader()
 agent:2020/07/15 21:31:45 build.go:264: PASS   : tst_QQuickLoader::sizeLoaderToItem()
 agent:2020/07/15 21:31:46 build.go:264: PASS   : tst_QQuickLoader::sizeItemToLoader()
 agent:2020/07/15 21:31:46 build.go:264: PASS   : tst_QQuickLoader::noResize()
 agent:2020/07/15 21:31:46 build.go:264: PASS   : tst_QQuickLoader::networkRequestUrl()
 agent:2020/07/15 21:31:46 build.go:264: PASS   : tst_QQuickLoader::failNetworkRequest()
 agent:2020/07/15 21:31:46 build.go:264: PASS   : tst_QQuickLoader::networkComponent()
 agent:2020/07/15 21:31:47 build.go:264: PASS   : tst_QQuickLoader::active()
 agent:2020/07/15 21:31:47 build.go:264: PASS   : tst_QQuickLoader::initialPropertyValues(source url with value set in onLoaded, initially active = true)
 agent:2020/07/15 21:31:47 build.go:264: PASS   : tst_QQuickLoader::initialPropertyValues(set source with initial property values specified, active = true)
 agent:2020/07/15 21:31:47 build.go:264: PASS   : tst_QQuickLoader::initialPropertyValues(set source with initial property values specified, active = false)
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