func agentRpcTestSetReadOnly(ctx context.Context, t *testing.T, client tmclient.TabletManagerClient, ti *topo.TabletInfo) {
testSetReadOnlyExpectedValue = true
err := client.SetReadOnly(ctx, ti)
if err != nil {
t.Errorf("SetReadOnly failed: %v", err)
}
testSetReadOnlyExpectedValue = false
err = client.SetReadWrite(ctx, ti)
if err != nil {
t.Errorf("SetReadWrite failed: %v", err)
}
}