Function expectElementAttributeEquals

expectElementAttributeEquals(
    page: any,
    selectorKey: string,
    attrKey: string,
    valueKey: string,
): Promise<void>
Asserts that an element has an attribute equal to the specified value. Supports fixtures for reusable selectors, attributes and values.
Parameters
- page: any
- selectorKey: string
- attrKey: string
- valueKey: string
Returns Promise<void>
Example
```
Then I pw see element attribute "class" equals "btn-primary"
```
- Defined in backend/assertions/elements.ts:243