Function expectElementToCloselyMatch

expectElementToCloselyMatch(
    page: any,
    selectorKey: string,
    currentFilename: string,
    referenceFilename: string,
): Promise<void>
Compares a specific element with a reference image.
Parameters
- page: any
  The Playwright page object
- selectorKey: string
  The selector key (can be a fixture key or raw CSS selector)
- currentFilename: string
  The filename of the current element screenshot
- referenceFilename: string
  The filename of the reference screenshot to compare with
Returns Promise<void>
Example
```
Then I pw expect element "div.content" screenshot "content-current.png" to closely match "content-reference.png"
```
- Defined in backend/actions/visual.ts:70