@QtCore.Slot()
    def zoom_in(self, increment=1):
        self.zoom_level += increment
        TextHelper(self).mark_whole_doc_dirty()
        self._reset_stylesheet()
Test if the persistent cache creates an entry in the state
dataset/ETHPy150Open OpenCobolIDE/OpenCobolIDE/open_cobol_ide/extlibs/pyqode/core/api/code_edit.py/CodeEdit.zoom_in--crossover with--dataset/ETHPy150Open duerrp/pyexperiment/tests/test_persistent_memoize.py/TestPersistentMemoize.test_cache_creates_state