@app.get("/required-alias")
async def read_required_alias(p: Annotated[str, Header(alias="p_alias")]):
    return {"p": p}


class HeaderModelRequiredAlias(BaseModel):
    p: str = Field(alias="p_alias")


@app.get("/model-required-alias")
async def read_model_required_alias(p: Annotated[HeaderModelRequiredAlias, Header()]):
    return {"p": p.p}


@pytest.mark.parametrize(
    "path",