[SpecificMatcher] False-negatives

[boris-petrov]

expect(page).to have_no_css('input[placeholder="foo"]')

This is not caught but can be replaced to:

expect(page).to have_no_field(placeholder: 'foo')

[boris-petrov]

Other attributes should be handled too - like type:

expect(page).to have_no_css('input[type="checkbox"]')

Must be:

expect(page).to have_no_field(type: 'checkbox')

Also, the same is true for finders:

find('input[placeholder="City"]')

Should be marked as an error as it can be replaced with:

find_field(placeholder: 'City')