Added check so directories with different sizes should compare similarly.

git-svn-id: http://svn.savannah.nongnu.org/svn/rdiff-backup@194 2b77aa54-bcbc-44c9-a7ec-4f6cf2b41109

trunk/rdiff-backup/testing/rpathtest.py

@@ -304,6 +304,8 @@ class FileCopying(RPathTest):
 		even if they are of different sizes"""
 		smalldir = RPath(Globals.local_connection, "testfiles/dircomptest/1")
 		bigdir = RPath(Globals.local_connection, "testfiles/dircomptest/2")
+		# Can guarantee below by adding files to bigdir
+		assert bigdir.getsize() > smalldir.getsize()
 		assert smalldir == bigdir
 
 	def testCopy(self):