Function expectCookieContainsValue

expectCookieContainsValue(
    page: any,
    cookieNameKey: string,
    valueKey: string,
): Promise<void>
Asserts that a cookie exists and contains the expected substring. Supports fixtures for reusable cookie names and values.
Parameters
- page: any
- cookieNameKey: string
- valueKey: string
Returns Promise<void>
Example
```
Then I pw see cookie "session_id" contains value "abc"
```
- Defined in backend/assertions/storage.ts:47