Method _call_expect

playwright/_impl/_assertions.py:80–85

(
        self, expression: str, expect_options: FrameExpectOptions, title: Optional[str]
    )

        self._is_soft = is_soft

    async def _call_expect(
        self, expression: str, expect_options: FrameExpectOptions, title: Optional[str]
    ) -> FrameExpectResult:
        raise NotImplementedError(
            "_call_expect must be implemented in a derived class."
        )

    async def _expect_impl(
        self,