chore: import upstream snapshot with attribution

integration-tests/tests/utils.ts

@@ -0,0 +1,15 @@
+// shut up eslint you cannot possibly comprehend what's happening here
+// eslint-disable-next-line @typescript-eslint/no-empty-function, @typescript-eslint/no-unused-vars
+export function Expect<T extends true>() {}
+
+export type Equal<X, Y extends X> = (<T>() => T extends X ? 1 : 2) extends (<T>() => T extends Y ? 1 : 2) ? true
+	: false;
+
+export function toLocalDate(date: Date) {
+	const localTime = new Date(date.getTime() - date.getTimezoneOffset() * 60000);
+	localTime.setUTCHours(0);
+	return localTime;
+}
+
+export const randomString = () =>
+	Array.from({ length: 10 }, () => 'abcdefghijklmnopqrstuvwxyz'[Math.floor(Math.random() * 26)]).join('');