input: Write a function to create a web scraper in Python that can extract hotel reviews from TripAdvisor. The function should take a URL as input, send a request with appropriate headers, parse the HTML, and extract reviews. Each review should be printed with its title and text separated by a line of dashes.
  assert create_scraper('<https://www.tripadvisor.com/Hotel_Review-g187439-d219761-Reviews-Hotel_Ynvis_Skaftafell-Kirkjubaejarklaustur_South_Region.html>')==None
  """Expected output (partial for brevity):
  My stay at YNVIS Skaftafell was wonderful.
  The staff was friendly and the rooms were clean and comfortable. The breakfast was amazing!
  --------------------------------------------------
  My stay at YNVIS Skaftafell was amazing.
  The staff was friendly and the room was clean and comfortable. The location was perfect!
  --------------------------------------------------
  """
  else:
      print("All test cases passed!")
output: 
  import requests
  from bs4 import BeautifulSoup
  
  def create_scraper(url):
      headers = {
          'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.3'}
      response = requests.get(url, headers=headers)
      soup = BeautifulSoup(response.text, 'html.parser')
      
      reviews = soup.find_all('div', class_='review-container')
      
      for review in reviews:
          title = review.find('span', class_='noQuotes').text.strip()
          text = review.find('p', class_='partial_entry').text.strip()
          print(title)
          print(text)
          print('-' * 50)
  