custom-jquery-matchers 
List of matchers
- toExist
- toHaveLength
- toHaveId
- toHaveClass
- toHaveTag
- toHaveAttr
- toHaveProp
- toHaveText
- toHaveData
- toHaveValue
- toHaveCss
- toBeChecked
- toBeDisabled
- toBeEmpty
- toBeHidden
- toBeSelected
- toBeVisible
- toBeFocused
- toBeInDom
- toBeMatchedBy
- toHaveDescendant
- toHaveDescendantWithText
