func agentRpcTestWaitBlpPosition(ctx context.Context, t *testing.T, client tmclient.TabletManagerClient, ti *topo.TabletInfo) {
err := client.WaitBlpPosition(ctx, ti, *testBlpPosition, testWaitBlpPositionWaitTime)
compareError(t, "WaitBlpPosition", err, true, testWaitBlpPositionCalled)
}