test_check_software: update test to follow vulnerability database update

The vulnerability that this test was checking was removed from the
database, let's use another one that looks more likely to be removed.

slapos/tests/test_check_software.py

@@ -157,19 +157,19 @@ class TestCheckSoftwareEggVulnerability(SlapOSStandaloneTestCase):
     )
     eggs_dir = os.path.join(software_dir, 'eggs')
 
-    os.makedirs(os.path.join(eggs_dir, 'Werkzeug-1.0.1-py3.7.egg', 'EGG-INFO'))
+    os.makedirs(os.path.join(eggs_dir, 'urllib3-1.22-py3.7.egg', 'EGG-INFO'))
     with open(
         os.path.join(
             eggs_dir,
-            'Werkzeug-1.0.1-py3.7.egg',
+            'urllib3-1.22-py3.7.egg',
             'EGG-INFO',
             'PKG-INFO',
         ), 'w') as f:
       f.write(
           textwrap.dedent('''\
               Metadata-Version: 2.1
-              Name: Werkzeug
-              Version: 1.0.1
+              Name: urllib3
+              Version: 1.22
               '''))
 
     develop_eggs_dir = os.path.join(software_dir, 'develop-eggs')
@@ -206,7 +206,7 @@ class TestCheckSoftwareEggVulnerability(SlapOSStandaloneTestCase):
 
     warning, = [w for w in warning_context if 'vulnerable' in str(w.message)]
     self.assertIn(
-        'Werkzeug version 2.0.2 improves the security of the debugger cookies',
+        'urllib3 before version 1.23 does not remove the Authorization HTTP header when',
         str(warning.message),
     )
     self.assertIn(