chore: fix date tests

packages/utils/src/Domain/Date/DateUtils.ts

@@ -0,0 +1,14 @@
+/** Negative numbers are supported as well */
+export function addDaysToDate(date: Date, days: number) {
+  const result = new Date(date)
+  result.setDate(result.getDate() + days)
+
+  return result
+}
+
+export function addHoursToDate(date: Date, hours: number) {
+  const result = new Date(date)
+  result.setHours(result.getHours() + hours)
+
+  return result
+}