Fixed string in test [(#2135)](GoogleCloudPlatform/python-docs-samples#2135)

* Fixed string in test

* Updated to latest AutoML

Author: engelke

samples/snippets/web/web_detect_test.py

@@ -37,4 +37,4 @@ def test_detect_web_http(capsys):
     web_detect.report(web_detect.annotate(
         'https://cloud.google.com/images/products/vision/extract-text.png'))
     out, _ = capsys.readouterr()
-    assert 'https://cloud.google.com/vision/' in out
+    assert 'https://cloud.google.com/vision' in out