Add tests for malformed HelloRequests.

Change-Id: Iff053022c7ffe5b01c0daf95726cc7d49c33cbd6
Reviewed-on: https://boringssl-review.googlesource.com/6640
Reviewed-by: Adam Langley <agl@google.com>
diff --git a/ssl/test/runner/common.go b/ssl/test/runner/common.go
index ec0e2db..caf4aee 100644
--- a/ssl/test/runner/common.go
+++ b/ssl/test/runner/common.go
@@ -809,6 +809,10 @@
 	// BadChangeCipherSpec, if not nil, is the body to be sent in
 	// ChangeCipherSpec records instead of {1}.
 	BadChangeCipherSpec []byte
+
+	// BadHelloRequest, if not nil, is what to send instead of a
+	// HelloRequest.
+	BadHelloRequest []byte
 }
 
 func (c *Config) serverInit() {