Allow second run for ffdhe8192 ssl-opt tests

Signed-off-by: Przemek Stekiel <przemyslaw.stekiel@mobica.com>
diff --git a/tests/scripts/generate_tls13_compat_tests.py b/tests/scripts/generate_tls13_compat_tests.py
index 99ee9c9..e664feb 100755
--- a/tests/scripts/generate_tls13_compat_tests.py
+++ b/tests/scripts/generate_tls13_compat_tests.py
@@ -185,6 +185,11 @@
         if any(x in ffdh_groups for x in self._named_groups):
             ret.append('requires_openssl_3_x')
 
+        # ffdhe8192 has very long keys and requires intensive computation.
+        # The test may fail on CI when executor is just very loaded. Give a second chance.
+        if 'ffdhe8192' in self._named_groups:
+            ret.append('client_needs_more_time 2')
+
         return ret