Squish: Do not crash tst_simple_debug if debugger can't stop

Change-Id: Iedf0335088739ed60f321b6479711298067f9038
Reviewed-by: Christian Stenger <christian.stenger@digia.com>

tests/system/objects.map

@@ -47,6 +47,8 @@
 :Cannot Open Project.Show Details..._QPushButton	{text='Show Details...' type='QPushButton' unnamed='1' visible='1' window=':Cannot Open Project_QMessageBox'}
 :Cannot Open Project_QMessageBox	{text?='Failed to open project in *' type='QMessageBox' unnamed='1' visible='1'}
 :Cannot Open Project_QTextEdit	{type='QTextEdit' unnamed='1' visible='1' window=':Cannot Open Project_QMessageBox'}
+:Close Debugging Session.Yes_QPushButton	{text='Yes' type='QPushButton' unnamed='1' visible='1' window=':Close Debugging Session_Utils::CheckableMessageBox'}
+:Close Debugging Session_Utils::CheckableMessageBox	{type='Utils::CheckableMessageBox' unnamed='1' visible='1' windowTitle='Close Debugging Session'}
 :CodePaster__Internal__PasteSelectDialog.Cancel_QPushButton	{text='Cancel' type='QPushButton' unnamed='1' visible='1' window=':CodePaster__Internal__PasteSelectDialog_CodePaster::PasteSelectDialog'}
 :CodePaster__Internal__PasteSelectDialog.OK_QPushButton	{text='OK' type='QPushButton' unnamed='1' visible='1' window=':CodePaster__Internal__PasteSelectDialog_CodePaster::PasteSelectDialog'}
 :CodePaster__Internal__PasteSelectDialog.listWidget_QListWidget	{name='listWidget' type='QListWidget' visible='1' window=':CodePaster__Internal__PasteSelectDialog_CodePaster::PasteSelectDialog'}

tests/system/suite_debugger/tst_simple_debug/test.py

@@ -84,6 +84,10 @@ def main():
                 ensureChecked(":Qt Creator_AppOutput_Core::Internal::OutputPaneToggleButton")
                 clickButton(waitForObject("{type='CloseButton' unnamed='1' visible='1' "
                                           "window=':Qt Creator_Core::Internal::MainWindow'}"))
+                try:
+                    clickButton(waitForObject(":Close Debugging Session.Yes_QPushButton", 2000))
+                except:
+                    pass
                 if platform.system() == 'Darwin' and JIRA.isBugStillOpen(11595):
                     try:
                         expectedBreakpointsOrder.remove({os.path.join(workingDir, projectName, "main.cpp"):10})