"mock db: check example we expect to work"
"mock db: check another example we expect to work"
"mock db: check example with restriction on sex"
"mock db: check example with restriction on age"
"mock db check age target entry and exit"
"mock db check target prior observation requirement"
"mock db: check example with multiple observation periods"
"mock db: check imputation of date of birth"
"mock db: check edge cases (zero results expected)"
"mock db: check attrition with multiple cohorts"
"No observation time available after applying age, prior observation and, if applicable, target criteria"

outcomeTable = "outcome", interval = "overall"
plot <- plotIncidence(inc, x = "denominator_age_group")
outcomeTable = "outcome", minCellCount = 0
plot <- plotIncidence(inc, facet = "denominator_age_group")
cdm <- mockIncidencePrevalenceRef(sampleSize = 10000)
plotOptions <- list('hideConfidenceInterval' = TRUE,