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/runner/common.go b/ssl/test/runner/common.go
index 5cad289..a9c5083 100644
--- a/ssl/test/runner/common.go
+++ b/ssl/test/runner/common.go
@@ -671,6 +671,10 @@
 	// NoSignatureAlgorithmsOnRenego, if true, causes renegotiations to omit
 	// the signature_algorithms extension.
 	NoSignatureAlgorithmsOnRenego bool
+
+	// IgnorePeerCipherPreferences, if true, causes the peer's cipher
+	// preferences to be ignored.
+	IgnorePeerCipherPreferences bool
 }
 
 func (c *Config) serverInit() {