Method check_error

Wrapping/Python/vtkmodules/test/ErrorObserver.py:29–30

(self, expect)

        self.reset()

    def check_error(self, expect):
        self._check(self.saw_error, self.error_message, expect, 'Error')

    def check_warning(self, expect):
        self._check(self.saw_warning, self.warning_message, expect, 'Warning')