text: describe ("Likes", function() {
  
      it("explains that no one has liked a post when given an empty array", function() {
          expect(likes([])).toEqual('no one likes this')
      })
  
      it("explains that one person has liked a post", function() {
          expect(likes(['Peter'])).toEqual('Peter likes this')
      })
      
      it("explains that two people have liked a post", function() {
          expect(likes(['Jacob', 'Alex'])).toEqual('Jacob and Alex like this')
      })
  
      it("explains that three people have liked a post", function() {
          expect(likes(['Max', 'John', 'Mark'])).toEqual('Max, John and Mark like this')
      })
  
      it("explains that four people have likes a post", function(){
          expect(likes(["Alex", "Jacob", "Mark", "Max"])).toEqual('Alex, Jacob and 2 others like this')     
      })
  })