check whether the proteomics rri results files is following guidelines
check_vial_metadata_proteomics(df_vm, return_n_issues = FALSE, verbose = TRUE)
(int) number of issues identified
{
test <- check_vial_metadata_proteomics(df_vm = metadata_metabolites_named,
return_n_issues = TRUE, verbose = FALSE)
# "test" should be NULL
}