Function expectTextInsideFrame

expectTextInsideFrame(
    page: any,
    elementSelectorKey: string,
    frameSelectorKey: string,
    textKey: string,
): Promise<void>
Asserts that an element inside a specific <iframe> contains the expected text. Supports fixtures for reusable selectors and text. Uses Playwright's web-first assertions for automatic retries.
Parameters
- page: any
- elementSelectorKey: string
- frameSelectorKey: string
- textKey: string
Returns Promise<void>
Example
```
Then I pw expect "selectors.successMessage" inside frame "selectors.uploadFrame" to have text "texts.uploadComplete"
```
- Defined in backend/elements/frames.ts:59