Function expectElementToHaveValue

expectElementToHaveValue(
    page: any,
    selectorKey: string,
    valueKey: string,
): Promise<void>
Gets an element by selector and asserts it has the specified value.
Parameters
- page: any
- selectorKey: string
- valueKey: string
Returns Promise<void>
Example
```
Then I pw get element by selector "login.usernameField" to have value "john_doe"
```
- Defined in backend/assertions/elements.ts:367