hasPackage consulted the wrong registry, oops.

lib/python/Testing/ZopeTestCase/ZopeLite.py

@@ -168,7 +168,7 @@ def installProduct(name, quiet=0):
 
 def hasPackage(name):
     '''Checks if a package has been registered with five:registerPackage.'''
-    return name in [m.__name__ for m, f in Products._packages_to_initialize]
+    return name in [m.__name__ for m in getattr(Products, '_registered_packages', [])]
 
 def installPackage(name, quiet=0):
     '''Installs a registered Python package like a Zope product.'''

lib/python/Testing/ZopeTestCase/zopedoctest/testPackageAsProduct.py

@@ -74,6 +74,11 @@ def testInstallPackage():
       True
       >>> ZopeTestCase.close(app)
 
+    hasPackage still returns True
+
+      >>> ZopeTestCase.hasPackage('testpackage')
+      True
+
     Clean up
 
       >>> import testpackage