Squish: Skipping unstable test on Mac

Change-Id: Icf8e78487d2e734c79aa2b93401a911769a9545e
Reviewed-by: Christian Stenger <christian.stenger@nokia.com>
Reviewed-by: Bill King <bill.king@nokia.com>

tests/system/suite_debugger/tst_cli_output_console/test.py

@@ -8,6 +8,9 @@ def __handlerunControlFinished__(object, runControlP):
     runControlFinished = True
 
 def main():
+    if platform.system() == "Darwin" and JIRA.isBugStillOpen(6853, JIRA.Bug.CREATOR):
+        test.xverify(False, "This test is unstable on Mac, see QTCREATORBUG-6853.")
+        return
     global runControlFinished
     outputQDebug = "Output from qDebug()."
     outputStdOut = "Output from std::cout."