[fix] Fix tests after local version label support

src/zc/buildout/tests/test_all.py

@@ -2872,7 +2872,7 @@ def wont_downgrade_due_to_prefer_final():
     If we install a non-final buildout version, we don't want to
     downgrade just because we prefer-final.  If a buildout version
     isn't specified using a versions entry, then buildout's version
-    requirement gets set to >=CURRENT_VERSION.
+    requirement gets set to >=PUBLIC_PART_OF_CURRENT_VERSION.
 
     >>> write('buildout.cfg',
     ... '''
@@ -2885,7 +2885,7 @@ def wont_downgrade_due_to_prefer_final():
     ...        if l.startswith('zc.buildout = >=')]
     >>> v == pkg_resources.working_set.find(
     ...         pkg_resources.Requirement.parse('zc.buildout')
-    ...         ).version
+    ...         ).parsed_version.public
     True
 
     >>> write('buildout.cfg',