Cleanup to use new waitForSignal function.

Change-Id: Id47c81fc3c2d4448f26dd2432b73286501be1e26
Reviewed-on: http://codereview.qt-project.org/5297
Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: Christian Stenger <christian.stenger@nokia.com>

tests/system/shared/build_utils.py

@@ -2,10 +2,6 @@
 installedSignalHandlers = {}
 # flag to indicate whether overrideInstallLazySignalHandler() has been called already
 overridenInstallLazySignalHandlers = False
-# flag to indicate a finished build (has to be resetted before doing another build)
-buildFinished = False
-# flag to indicate a successful build
-buildSucceeded = False
 # flag to indicate whether a tasks file should be created when building ends with errors
 createTasksFileOnError = True
 # currently used directory for tasks files
@@ -88,18 +84,6 @@ def checkLastBuild(expectedToFail=False):
         createTasksFile(list)
     return not gotErrors
 
-# helper function used as handler for signal buildQueueFinished(bool) - see below
-def handleBuildFinished(object, success):
-    global buildFinished, buildSucceeded
-    buildFinished = True
-    if success:
-        buildSucceeded = checkLastBuild()
-    else:
-        test.fatal("Build failed")
-        buildSucceeded = success
-        checkCompile()
-        checkLastBuild()
-
 # helper function to check the compilation when build wasn't successful
 def checkCompile():
     toggleCompOutput = waitForObject("{type='Core::Internal::OutputPaneToggleButton' unnamed='1' visible='1' "
@@ -114,13 +98,6 @@ def checkCompile():
     else:
         test.fatal("Compile Output:\n%s" % output.plainText)
 
-# after starting to build an application this function can be used to synchronize the following tests
-# make sure to set global variable buildFinished to False before starting to build
-def waitForBuildFinished(timeOutMSeconds=30000):
-    overrideInstallLazySignalHandler()
-    installLazySignalHandler("{type='ProjectExplorer::BuildManager'}", "buildQueueFinished(bool)", "handleBuildFinished")
-    waitFor("buildFinished == True", timeOutMSeconds)
-
 # helper method that parses the Build Issues output and writes a tasks file
 def createTasksFile(list):
     global tasksFileDir, tasksFileCount