def checkTest(self, **kwargs):
        self.layer.setLabeling(QgsVectorLayerSimpleLabeling(self.lyr))

        ms = self._MapSettings  # class settings
        settings_type = 'Class'
        if self._TestMapSettings is not None:
            ms = self._TestMapSettings  # per test settings
            settings_type = 'Test'
        if 'PAL_VERBOSE' in os.environ:
            qDebug('MapSettings type: {0}'.format(settings_type))
            qDebug(mapSettingsString(ms))

        img = renderMapToImage(ms, parallel=False)
        self._TestImage = getTempfilePath('png')
        if not img.save(self._TestImage, 'png'):
            os.unlink(self._TestImage)
            raise OSError('Failed to save output from map render job')
        self.saveControlImage(self._TestImage)

        mismatch = 0
        if 'PAL_NO_MISMATCH' not in os.environ:
            # some mismatch expected
            mismatch = self._Mismatch if self._Mismatch else 0
            if self._TestGroup in self._Mismatches:
                mismatch = self._Mismatches[self._TestGroup]
        colortol = 0
        if 'PAL_NO_COLORTOL' not in os.environ:
            colortol = self._ColorTol if self._ColorTol else 0
            if self._TestGroup in self._ColorTols:
                colortol = self._ColorTols[self._TestGroup]
        self.assertTrue(*self.renderCheck(mismatch=mismatch,
                                          colortol=colortol,
                                          imgpath=self._TestImage))

    def checkTest(self, **kwargs):
        self.lyr.writeToLayer(self.layer)

        ms = self._MapSettings  # class settings
        settings_type = "Class"
        if self._TestMapSettings is not None:
            ms = self._TestMapSettings  # per test settings
            settings_type = "Test"
        if "PAL_VERBOSE" in os.environ:
            qDebug("MapSettings type: {0}".format(settings_type))
            qDebug(mapSettingsString(ms))

        img = renderMapToImage(ms, parallel=False)
        self._TestImage = getTempfilePath("png")
        if not img.save(self._TestImage, "png"):
            os.unlink(self._TestImage)
            raise OSError("Failed to save output from map render job")
        self.saveControlImage(self._TestImage)

        mismatch = 0
        if "PAL_NO_MISMATCH" not in os.environ:
            # some mismatch expected
            mismatch = self._Mismatch if self._Mismatch else 0
            if self._TestGroup in self._Mismatches:
                mismatch = self._Mismatches[self._TestGroup]
        colortol = 0
        if "PAL_NO_COLORTOL" not in os.environ:
            colortol = self._ColorTol if self._ColorTol else 0
            if self._TestGroup in self._ColorTols:
                colortol = self._ColorTols[self._TestGroup]
        self.assertTrue(*self.renderCheck(mismatch=mismatch, colortol=colortol, imgpath=self._TestImage))

    def checkTest(self, **kwargs):
        self.sync_map_settings()
        self.lyr.writeToLayer(self.layer)
        # save project file
        self._TestProj.write()
        # always restart FCGI before tests, so settings can be applied
        # MAPSERV.fcgi_server_process().start()
        # get server results
        # print self.params.__repr__()

        ms = self._MapSettings  # class settings
        settings_type = 'Class'
        if self._TestMapSettings is not None:
            ms = self._TestMapSettings  # per test settings
            settings_type = 'Test'
        if 'PAL_VERBOSE' in os.environ:
            qDebug('MapSettings type: {0}'.format(settings_type))
            qDebug(mapSettingsString(ms))

        res_m, self._TestImage, url = MAPSERV.get_map(self.get_request_params(), False)
        # print self._TestImage.__repr__()
        if 'PAL_VERBOSE' in os.environ:
            qDebug('GetMap request:\n  {0}\n'.format(url))
        self.saveControlImage(self._TestImage)
        self.assertTrue(res_m, 'Failed to retrieve/save image from test server')
        mismatch = 0
        if 'PAL_NO_MISMATCH' not in os.environ:
            # some mismatch expected
            mismatch = self._Mismatch if self._Mismatch else 20
            if self._TestGroup in self._Mismatches:
                mismatch = self._Mismatches[self._TestGroup]
        colortol = 0
        if 'PAL_NO_COLORTOL' not in os.environ:
            # some mismatch expected
            # colortol = self._ColorTol if self._ColorTol else 10
            if self._TestGroup in self._ColorTols:
                colortol = self._ColorTols[self._TestGroup]
        self.assertTrue(*self.renderCheck(mismatch=mismatch,
                                          colortol=colortol,
                                          imgpath=self._TestImage))