diff --git a/src/allmydata/test/test_testing.py b/src/allmydata/test/test_testing.py
new file mode 100644
index 000000000..37e68a0de
--- /dev/null
+++ b/src/allmydata/test/test_testing.py
@@ -0,0 +1,40 @@
+import io
+
+from twisted.trial.unittest import (
+    TestCase,
+)
+from twisted.internet.defer import (
+    inlineCallbacks,
+)
+
+from allmydata.testing.web import (
+    create_tahoe_treq_client,
+)
+
+
+class FakeWebTest(TestCase):
+    """
+    Test the WebUI verified-fakes infrastucture
+    """
+
+    def setUp(self):
+        super(FakeWebTest, self).setUp()
+        self.http_client = create_tahoe_treq_client()
+
+    @inlineCallbacks
+    def test_create_and_download(self):
+        """
+        Upload some content and then download it
+        """
+        content = "fake data\n" * 100
+        resp = yield self.http_client.put("http://example.com/uri", content)
+        cap = yield resp.content()
+
+        self.assertTrue(cap.startswith("URI:CHK:"))
+
+        resp = yield self.http_client.get(
+            "http://example.com/uri?uri={}".format(cap)
+        )
+        round_trip_content = yield resp.content()
+
+        self.assertEqual(content, round_trip_content)