diff --git a/internal/mcp/mcp_test.go b/internal/mcp/mcp_test.go
index a1f2fbc..5ddc8f6 100644
--- a/internal/mcp/mcp_test.go
+++ b/internal/mcp/mcp_test.go
@@ -662,7 +662,7 @@ func (t *emptyFrameTransport) Call(ctx context.Context, req *rpcRequest) (*rpcRe
 }
 
 func (t *emptyFrameTransport) Notify(context.Context, string, any) error { return nil }
-func (t *emptyFrameTransport) Close() error                             { return nil }
+func (t *emptyFrameTransport) Close() error                              { return nil }
 
 func TestResultlessResponseIsNotSuccess(t *testing.T) {
 	c := newClient("empty", &emptyFrameTransport{})