Plot method not working for ggmix_gic with new x

[sahirbhatnagar]

Plot method not working for ggmix_gic when provided a newx such as xtest, because the ranef function uses the original x and y which is part of the ggmix_fit object in the hdbic object.
Need to look at ranef probably

devtools::load_all()
#> Error: No root directory found in /tmp/RtmpTPIS1a/reprex531e1a1ee626 or its parent directories. Root criterion: contains a file `DESCRIPTION`
data("admixed")
#> Warning in data("admixed"): data set 'admixed' not found
fit <- ggmix(x = admixed$xtrain, 
             y = admixed$ytrain, 
             kinship = admixed$kin_train)
#> Error in ggmix(x = admixed$xtrain, y = admixed$ytrain, kinship = admixed$kin_train): could not find function "ggmix"
hdbic <- gic(fit)
#> Error in gic(fit): could not find function "gic"
plot(hdbic, type = "predicted", newx = admixed$xtest, newy = admixed$ytest)
#> Error in plot(hdbic, type = "predicted", newx = admixed$xtest, newy = admixed$ytest): object 'hdbic' not found

^{Created on 2020-03-06 by the reprex package (v0.3.0)}