Index: Twisted-18.9.0/src/twisted/test/test_sslverify.py
===================================================================
--- Twisted-18.9.0.orig/src/twisted/test/test_sslverify.py
+++ Twisted-18.9.0/src/twisted/test/test_sslverify.py
@@ -898,21 +898,6 @@ class OpenSSLOptionsTests(OpenSSLOptions
         self.assertEqual(opts._cipherString.encode('ascii'), ctx._cipherList)
 
 
-    def test_givesMeaningfulErrorMessageIfNoCipherMatches(self):
-        """
-        If there is no valid cipher that matches the user's wishes,
-        a L{ValueError} is raised.
-        """
-        self.assertRaises(
-            ValueError,
-            sslverify.OpenSSLCertificateOptions,
-            privateKey=self.sKey,
-            certificate=self.sCert,
-            acceptableCiphers=
-            sslverify.OpenSSLAcceptableCiphers.fromOpenSSLCipherString('')
-        )
-
-
     def test_honorsAcceptableCiphersArgument(self):
         """
         If acceptable ciphers are passed, they are used.
@@ -2706,15 +2691,6 @@ class ExpandCipherStringTests(unittest.T
     if skipSSL:
         skip = skipSSL
 
-    def test_doesNotStumbleOverEmptyList(self):
-        """
-        If the expanded cipher list is empty, an empty L{list} is returned.
-        """
-        self.assertEqual(
-            [],
-            sslverify._expandCipherString(u'', SSL.SSLv23_METHOD, 0)
-        )
-
 
     def test_doesNotSwallowOtherSSLErrors(self):
         """