input: Write a python function to extract the top 5 trending tweets from a given Twitter trends URL.
  assert len(extract_top_trending_tweets('https://twitter.com/trends')) == 5
  assert isinstance(extract_top_trending_tweets('https://twitter.com/trends')[0], str)
  assert len(extract_top_trending_tweets('https://twitter.com/trends')[0]) > 0
output: def extract_top_trending_tweets(url):
      import requests
      from bs4 import BeautifulSoup
  
      response = requests.get(url)
      soup = BeautifulSoup(response.text, 'html.parser')
      
      trends = soup.find_all('div', {'data-testid': 'trend'})
      
      top_trends = []
      for trend in trends[:5]:
          trend_text = trend.get_text(strip=True)
          if trend_text:
              top_trends.append(trend_text)
  
      return top_trends