TBR: Test fix.

Change-Id: Ic0ea29234a8098d684891d5a9a5e19a87cea12fa
diff --git a/runtimes/google/ipc/stream/crypto/crypto_test.go b/runtimes/google/ipc/stream/crypto/crypto_test.go
index 84b0d76..f0523a9 100644
--- a/runtimes/google/ipc/stream/crypto/crypto_test.go
+++ b/runtimes/google/ipc/stream/crypto/crypto_test.go
@@ -126,7 +126,7 @@
 	}()
 
 	go func() {
-		client, err := NewTLSClient(clientConn, nil, iobuf.NewPool(0))
+		client, err := NewTLSClient(clientConn, TLSClientSessionCache{}, iobuf.NewPool(0))
 		if err != nil {
 			t.Fatal(err)
 		}