Flattens a glow_test_result object into a single-row data.frame
suitable for binding across regions (e.g., rbind or
do.call(rbind, list_of_dfs)).
# S3 method for class 'glow_test_result'
as.data.frame(x, ...)A single-row data.frame with columns for region info,
variant summary, and all p-values (dynamic number of columns).