addressed feedback : added 2 lines space between tests

Author: gowthamraj198

tests/transformation_test.py

@@ -257,16 +257,19 @@ def test_pdf_convert(transform):
     result = transform.pdf_convert(pageorientation='landscape')
     assert result.url == target_url
 
+
 def test_minify_css(transform):
     target_url = '{}/{}/minify_css/{}'.format(config.CDN_URL, APIKEY, EXTERNAL_URL)
     result = transform.minify_css()
     assert result.url == target_url
+    
 
 def test_minify_css_with_params(transform):
     target_url = '{}/{}/minify_css=gzip:false,level:1/{}'.format(config.CDN_URL, APIKEY, EXTERNAL_URL)
     result = transform.minify_css(level=1, gzip=False)
     assert result.url == target_url    
 
+
 def quality(transform):
     target_url = '{}/{}/quality=value:75/{}'.format(config.CDN_URL, APIKEY, EXTERNAL_URL)
     quality = transform.quality(75)