Renewed execution environment.

Author: thirsch

.github/workflows/tests.yml

@@ -6,7 +6,7 @@ on:
 
 jobs:
   linux_tests:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
 
     services:
       mailcatcher:

tests/unit/Swift/Transport/Esmtp/Auth/NTLMAuthenticatorTest.php

@@ -29,6 +29,10 @@ public function testMessage1Generator()
 
     public function testLMv1Generator()
     {
+        if (!in_array('des-ecb', openssl_get_cipher_methods())) {
+            $this->markTestSkipped('Need Cipher DES-ECB to run these tests.');
+        }
+
         $password = 'test1234';
         $challenge = 'b019d38bad875c9d';
         $lmv1 = '1879f60127f8a877022132ec221bcbf3ca016a9f76095606';