tests: don't require tahoe to run with no noise if we are using an old twisted that...

diff --git a/src/allmydata/test/test_runner.py b/src/allmydata/test/test_runner.py
index 011f3fa2081607d91ddf4cf6d49d2711ceb105c9..c88657d425387f4ab686aae7b656b1ab68d2c00d 100644 (file)
--- a/src/allmydata/test/test_runner.py
+++ b/src/allmydata/test/test_runner.py
@@ -357,6 +357,11 @@ class RunNode(common_util.SignalMixin, unittest.TestCase, pollmixin.PollMixin,
 
     def test_client_no_noise(self):
         self.skip_if_cannot_daemonize()
+        import pkg_resources
+        try:
+            pkg_resources.require("Twisted>=9.0.0")
+        except pkg_resources.VersionConflict:
+            raise unittest.SkipTest("We pass this test only with Twisted >= v9.0.0")
         basedir = self.workdir("test_client_no_noise")
         c1 = os.path.join(basedir, "c1")
         HOTLINE_FILE = os.path.join(c1, "suicide_prevention_hotline")