Test that client cipher preferences are enforced.

Change-Id: I6e760cfd785c0c5688da6f7d3d3092a8add40409
Reviewed-on: https://boringssl-review.googlesource.com/4070
Reviewed-by: Adam Langley <agl@google.com>
diff --git a/ssl/test/test_config.cc b/ssl/test/test_config.cc
index cbfc10f..1f7bd5b 100644
--- a/ssl/test/test_config.cc
+++ b/ssl/test/test_config.cc
@@ -96,6 +96,7 @@
   { "-psk", &TestConfig::psk },
   { "-psk-identity", &TestConfig::psk_identity },
   { "-srtp-profiles", &TestConfig::srtp_profiles },
+  { "-cipher", &TestConfig::cipher },
 };
 
 const Flag<std::string> kBase64Flags[] = {