it.only('Working with siblings & parents', ()=>{
cy.get('#social_block ul li')
.first()
.should('have.class','facebook')
.next()
.should('have.class','twitter')
.next()
.should('have.class','youtube')
.next()
.should('have.class','google-plus')
.prev()
.should('have.class', 'youtube')
cy.get('#social_block').siblings('div')
cy.get('#social_block').next('div').should('have.length',1)
cy.get('#social_block ul').children()
cy.get('#social_block>>li').next('.youtube')
cy.get('#social_block').prev('div')
cy.get('.youtube').prevAll()
cy.get('.facebook').nextAll()
cy.get('.facebook').nextUntil('.google-plus')
cy.get('#social_block').prevUntil('[class*="footer-block"]')
})