diff --git a/src/allmydata/test/test_system.py b/src/allmydata/test/test_system.py
index e37f66383..51ce3f62a 100644
--- a/src/allmydata/test/test_system.py
+++ b/src/allmydata/test/test_system.py
@@ -1107,7 +1107,7 @@ class SystemTest(SystemTestMixin, RunBinTahoeMixin, unittest.TestCase):
d.addCallback(lambda res: getPage(base + public + "/subdir1"))
def _got_subdir1(page):
# there ought to be an href for our file
- self.failUnless(("
%d | " % len(self.data)) in page)
+ self.failUnlessIn('%d | ' % len(self.data), page)
self.failUnless(">mydata567" in page)
d.addCallback(_got_subdir1)
d.addCallback(self.log, "done with _got_subdir1")
diff --git a/src/allmydata/test/test_web.py b/src/allmydata/test/test_web.py
index 615429cbf..915cba8a0 100644
--- a/src/allmydata/test/test_web.py
+++ b/src/allmydata/test/test_web.py
@@ -1063,7 +1063,7 @@ class Web(WebMixin, WebErrorMixin, testutil.StallMixin, testutil.ReallyEqualMixi
r'\s+',
r'bar.txt' % bar_url,
r' | ',
- r'\s+%d | ' % len(self.BAR_CONTENTS),
+ r'\s+%d | ' % len(self.BAR_CONTENTS),
])
self.failUnless(re.search(get_bar, res), res)
for line in res.split("\n"):
@@ -3725,7 +3725,7 @@ class Grid(GridTestMixin, WebErrorMixin, ShouldFailMixin, testutil.ReallyEqualMi
r'\s+',
r'lonely' % (urllib.quote(lonely_uri),),
r' | ',
- r'\s+%d | ' % len("one"),
+ r'\s+%d | ' % len("one"),
])
self.failUnless(re.search(get_lonely, res), res)