Remove "insignificant" flag from qfilesystemmodel test

Due to removal of insignificant flag in
tst_qfilesystemmode.pro a bunch of tests will
either fail or crash in different operating systems.

Task-number: QTBUG-70572
Task-number: QTBUG-70573
Task-number: QTBUG-29403
Change-Id: I44925187acd72e600d2fec4f2604b67c66ecdd6b
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: Heikki Halmet <heikki.halmet@qt.io>

tests/auto/widgets/dialogs/qfilesystemmodel/BLACKLIST

@@ -0,0 +1,11 @@
+winrt
+[sort:QFileDialog usage]
+ubuntu
+b2qt
+[specialFiles]
+ubuntu
+b2qt
+[dirsBeforeFiles]
+ubuntu
+b2qt
+windows

tests/auto/widgets/dialogs/qfilesystemmodel/qfilesystemmodel.pro

@@ -1,3 +1,6 @@
+INCLUDEPATH += ../../../../shared
+HEADERS += ../../../../shared/emulationdetector.h
+
 CONFIG += testcase
 # This testcase can be slow on Windows and OS X, and may interfere with other file system tests.
 win32:testcase.timeout = 900
@@ -8,5 +11,3 @@ QT += core-private testlib
 
 SOURCES		+= tst_qfilesystemmodel.cpp
 TARGET		= tst_qfilesystemmodel
-
-CONFIG += insignificant_test  # QTBUG-29403

tests/auto/widgets/dialogs/qfilesystemmodel/tst_qfilesystemmodel.cpp

@@ -27,6 +27,7 @@
 ****************************************************************************/
 
 
+#include <emulationdetector.h>
 #include <QtTest/QtTest>
 #ifdef QT_BUILD_INTERNAL
 #include <private/qfilesystemmodel_p.h>
@@ -788,6 +789,9 @@ void tst_QFileSystemModel::sort()
     MyFriendFileSystemModel *myModel = new MyFriendFileSystemModel();
     QTreeView *tree = new QTreeView();
 
+    if (fileDialogMode && EmulationDetector::isRunningArmOnX86())
+        QSKIP("Crashes in QEMU. QTBUG-70572");
+
 #ifdef QT_BUILD_INTERNAL
     if (fileDialogMode)
         myModel->d_func()->disableRecursiveSort = true;