Test the client rejects invalid compression methods from the server.

Change-Id: I90286da596d5822d4cfedf40995d80cf76adaf97
Reviewed-on: https://boringssl-review.googlesource.com/17536
Reviewed-by: David Benjamin <davidben@google.com>
Commit-Queue: David Benjamin <davidben@google.com>
diff --git a/ssl/test/runner/handshake_server.go b/ssl/test/runner/handshake_server.go
index 3ad57cb..f70f469 100644
--- a/ssl/test/runner/handshake_server.go
+++ b/ssl/test/runner/handshake_server.go
@@ -1044,7 +1044,7 @@
 		isDTLS:            c.isDTLS,
 		vers:              c.wireVersion,
 		versOverride:      config.Bugs.SendServerHelloVersion,
-		compressionMethod: compressionNone,
+		compressionMethod: config.Bugs.SendCompressionMethod,
 	}
 
 	hs.hello.random = make([]byte, 32)